Science Test 1 (2011)

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    1/65 Questions

  • Ecosystems are divided into two categories, nonliving and lving.

    • True
    • False
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Science Quizzes & Trivia
About This Quiz

Science Test 1 (2011) assesses understanding of ecosystems, distinguishing between living and nonliving components, and categorizing various ecosystems such as terrestrial, freshwater, and saltwater. It evaluates knowledge crucial for ecology and environmental science studies.

Questions and Answers
  • 2. 

    Nonliving is......... Put a check mark on all the one's that are part of nonliving.

    • Air

    • Soil

    • Water

    • Sunlight

    • Fire

    Correct Answer(s)
    A. Air
    A. Soil
    A. Water
    A. Sunlight
    Explanation
    The given question asks to identify the items that are part of nonliving. Nonliving refers to things that do not possess life or biological functions. In this case, air, soil, water, and sunlight are all nonliving elements as they do not have the characteristics of living organisms. Fire, on the other hand, is a chemical reaction that requires fuel, oxygen, and heat to sustain itself, making it a living process rather than a nonliving entity. Therefore, the correct answer includes air, soil, water, and sunlight.

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  • 3. 

    Living is ...... Put a check mark on all theone's that are part of living.

    • Community

    • Sunlight

    • Population

    Correct Answer(s)
    A. Community
    A. Population
    Explanation
    Living is characterized by the presence of a community and population. A community refers to a group of individuals living together and interacting with one another, sharing common resources and goals. Population, on the other hand, refers to the total number of individuals of the same species living in a specific area. Both community and population are essential components of living organisms, as they involve social interactions, resource sharing, and the ability to reproduce and sustain a population over time. Sunlight, although important for many living organisms as a source of energy, is not directly related to the concept of living in terms of community and population.

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  • 4. 

    Terrestrial is ......

    • Forest, desert, grasslands

    • Lakes, rivers, streams, marshes, swamps

    • Ocean, coral reefs, kelp forests

    Correct Answer
    A. Forest, desert, grasslands
    Explanation
    Terrestrial refers to land-based ecosystems, excluding bodies of water. Forests, deserts, and grasslands are examples of terrestrial environments as they are all located on land. These ecosystems are characterized by their distinct vegetation and wildlife, with forests being dominated by trees, deserts having sparse vegetation and extreme arid conditions, and grasslands consisting mainly of grasses.

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  • 5. 

    Freshwater is ......

    • Forest, desert, grasslands

    • Lakes, rivers, streams, marshes, swamps

    • Ocean, coral reefs, kelp forests

    Correct Answer
    A. Lakes, rivers, streams, marshes, swamps
    Explanation
    Freshwater refers to water that contains low levels of salt and is not found in the ocean or other saltwater bodies. It is typically found in lakes, rivers, streams, marshes, and swamps. These are all examples of freshwater ecosystems where plants and animals have adapted to survive in a freshwater environment. Forests, deserts, grasslands, oceans, coral reefs, and kelp forests, on the other hand, are not typically associated with freshwater environments.

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  • 6. 

    Saltwater is ......

    • Forest, desert, grasslands

    • Lakes, rivers, streams, marshes, swamps

    • Ocean, coral reefs, kelp forests

    Correct Answer
    A. Ocean, coral reefs, kelp forests
    Explanation
    Saltwater refers to water that has a high concentration of salt, typically found in oceans, coral reefs, and kelp forests. These environments are characterized by their saline nature and are home to a wide variety of marine organisms adapted to live in such conditions. The presence of saltwater in these ecosystems creates a unique habitat that supports diverse marine life and plays a crucial role in the overall health of the planet's oceans.

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  • 7. 

    Definition: living and nonliving parts of the environment in a particular area

    • Ecosystem

    • Ecology

    • Species

    • Population

    • Community

    • Habitat

    • Organism

    Correct Answer
    A. Ecosystem
    Explanation
    An ecosystem refers to the living and nonliving parts of the environment in a particular area. It includes all the plants, animals, and microorganisms, as well as the physical elements such as air, water, and soil. The interactions between these components create a complex web of relationships and energy flows. Ecosystems can vary in size, from a small pond to a vast forest. They play a crucial role in maintaining the balance of nature and providing essential services such as water purification, nutrient cycling, and habitat for various species.

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  • 8. 

    Definition: the study of how the living and nonliving parts of ecosystems work together

    • Ecosystem

    • Ecology

    • Species

    • Population

    • Community

    • Habitat

    • Organism

    Correct Answer
    A. Ecology
    Explanation
    Ecology is the correct answer because it is defined as the study of how the living and nonliving parts of ecosystems work together. It focuses on the relationships between organisms and their environment, including the interactions between different species, populations, and communities. Ecology also examines the physical and chemical factors that influence the distribution and abundance of organisms within their habitats. Therefore, ecology encompasses the study of ecosystems and their functioning, making it the most appropriate term among the given options.

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  • 9. 

    Definition: group of organisms that can mate to produce offspring like themselves

    • Ecosystem

    • Ecology

    • Species

    • Population

    • Community

    • Habitat

    • Organism

    Correct Answer
    A. Species
    Explanation
    A species is a group of organisms that can mate to produce offspring like themselves. This definition highlights the reproductive compatibility and genetic similarity among individuals within a species. It distinguishes species from other ecological terms like ecosystem, ecology, population, community, habitat, and organism, which may refer to broader or more specific concepts within the study of biology and ecology.

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  • 10. 

    Definition: all the members of a species that live together in the same place at the same time

    • Ecosystem

    • Ecology

    • Species

    • Population

    • Community

    • Habitat

    • Organism

    Correct Answer
    A. Population
    Explanation
    A population refers to all the members of a species that live together in the same place at the same time. It represents a specific group of organisms of the same species within a given area, sharing the same resources and interacting with each other. This term is commonly used in the field of ecology to study the dynamics, distribution, and characteristics of a particular species within an ecosystem.

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  • 11. 

    Definition: nonliving + living

    • Ecosystem

    • Ecology

    • Species

    • Population

    • Community

    • Habitat

    • Organism

    Correct Answer
    A. Habitat
    Explanation
    A habitat refers to the specific environment or place where a particular organism or a community of organisms lives. It provides the necessary resources and conditions for the organisms to survive, such as food, water, shelter, and suitable temperature. A habitat can be a forest, a pond, a desert, or any other natural or artificial environment. It is an essential concept in ecology as it plays a crucial role in determining the distribution and abundance of species within an ecosystem.

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  • 12. 

    Definition: living thing

    • Ecosystem

    • Ecology

    • Species

    • Population

    • Community

    • Habitat

    • Organism

    Correct Answer
    A. Organism
    Explanation
    An organism refers to an individual living thing that is capable of carrying out the basic functions of life, such as growth, reproduction, and response to stimuli. It can be a plant, animal, or microorganism. In the context of the given definitions, all the other terms (ecosystem, ecology, species, population, community, and habitat) are related to the study or understanding of organisms and their interactions with the environment. Therefore, organism is the correct answer as it directly refers to a living thing itself.

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  • 13. 

    Definition: job

    • Niche

    • Producer

    • Consumer

    • Decomposer

    Correct Answer
    A. Niche
    Explanation
    A niche refers to the specific role or position that a particular organism occupies within its ecosystem. It is the unique way in which an organism fits into its environment, including its interactions with other species and its utilization of resources. Each organism has its own niche, which helps to maintain the balance and functionality of the ecosystem. By occupying different niches, organisms can minimize competition for resources and coexist harmoniously. Therefore, the correct answer is niche.

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  • 14. 

    Definition: make their own food

    • Niche

    • Producer

    • Consumer

    • Decomposer

    Correct Answer
    A. Producer
    Explanation
    A producer is an organism that is able to make its own food through the process of photosynthesis or chemosynthesis. They are typically plants or algae that use sunlight, carbon dioxide, and water to produce glucose and oxygen. This ability to produce their own food allows producers to occupy the first trophic level in a food chain or web, and they form the foundation of all ecosystems.

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  • 15. 

    Definition: eat producers and consumers

    • Niche

    • Producer

    • Consumer

    • Decomposer

    Correct Answer
    A. Consumer
    Explanation
    A consumer is an organism that obtains energy by consuming other organisms. In an ecosystem, consumers are typically animals that feed on plants or other animals. They play a crucial role in the food chain by transferring energy from the producers (plants) to higher trophic levels. Consumers are essential for maintaining the balance of an ecosystem as they control the population of other organisms and prevent overgrowth.

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  • 16. 

    Definition: eat dead producers and consumers

    • Niche

    • Producer

    • Consumer

    • Decomposer

    Correct Answer
    A. Decomposer
    Explanation
    A decomposer refers to an organism that feeds on dead producers and consumers, playing a crucial role in the ecosystem by breaking down organic matter and returning nutrients to the soil. Decomposers, such as bacteria and fungi, help in the process of decomposition, which is an essential part of the nutrient cycle. They break down dead organisms into simpler substances, allowing the nutrients to be recycled and reused by other organisms.

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  • 17. 

    Organisms need energy to live

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Organisms need energy to carry out various biological processes such as growth, reproduction, movement, and maintenance of their internal environment. This energy is obtained through various metabolic processes like respiration or photosynthesis. Without energy, organisms would not be able to survive or function properly, making the statement "Organisms need energy to live" true.

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  • 18. 

    Definition: how food energy moves from one organism to another in a community

    • Food chains

    • 1st Producer

    • 2nd Producer

    • Herbivores

    • Carnivores

    • Omnivores

    Correct Answer
    A. Food chains
    Explanation
    The given answer, "food chains," is the correct explanation for the definition provided. Food chains refer to the sequence of organisms in an ecosystem where energy is transferred from one organism to another through the consumption of food. It starts with the producers, which convert sunlight into energy through photosynthesis. The energy is then passed on to the herbivores, who consume the producers. Carnivores and omnivores come next in the food chain, as they consume the herbivores or other organisms. Therefore, food chains accurately describe how food energy moves from one organism to another in a community.

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  • 19. 

    Definition: main producer= sun

    • Food chains

    • 1st Producer

    • 2nd Producer

    • Herbivores

    • Carnivores

    • Omnivores

    Correct Answer
    A. 1st Producer
    Explanation
    The first producer in a food chain refers to the organism that directly converts sunlight into energy through the process of photosynthesis. This organism is typically a plant or algae that uses sunlight, water, and carbon dioxide to produce glucose and oxygen. As the main producer in the food chain, it serves as the primary source of energy for all other organisms in the ecosystem.

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  • 20. 

    Definition: plants

    • Food chains

    • 1st Producer

    • 2nd Producer

    • Herbivores

    • Carnivores

    • Omnivores

    Correct Answer
    A. 2nd Producer
    Explanation
    The given answer, "2nd Producer," refers to the position of the organism in the food chain. In a food chain, producers are the organisms that can produce their own food through photosynthesis, such as plants. They are the first level in the food chain. The 2nd Producer indicates that it is the second level in the food chain, which means it consumes the producers (plants) and is consumed by other organisms like herbivores or carnivores.

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  • 21. 

    Definition: eat only plants

    • Food chains

    • 1st Producer

    • 2nd Producer

    • Herbivores

    • Carnivores

    • Omnivores

    Correct Answer
    A. Herbivores
    Explanation
    Herbivores are the correct answer because they are the animals that eat only plants. In the given food chain, the producers are the first level, followed by the second level producers. Herbivores, which are animals that feed on plants, come next in the chain. Carnivores, which are animals that eat other animals, and omnivores, which are animals that eat both plants and animals, are not the correct answer as they do not exclusively eat plants.

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  • 22. 

    Definition: eat only or mostly animals

    • Food chains

    • 1st Producer

    • 2nd Producer

    • Herbivores

    • Carnivores

    • Omnivores

    Correct Answer
    A. Carnivores
    Explanation
    Carnivores are organisms that primarily consume other animals. In the given food chain, carnivores are positioned after herbivores, indicating that they feed on herbivores. This means that they obtain their energy and nutrients by consuming other animals.

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  • 23. 

    Definition: eat plants and animals

    • Food chains

    • 1st Producer

    • 2nd Producer

    • Herbivores

    • Carnivores

    • Omnivores

    Correct Answer
    A. Omnivores
    Explanation
    Omnivores are organisms that consume both plants and animals as their source of food. In the given food chain, omnivores are positioned at the top, indicating that they are capable of consuming both herbivores and carnivores. This suggests that they have a wider range of food options compared to herbivores and carnivores, allowing them to adapt to different environments and obtain nutrients from a variety of sources.

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  • 24. 

    Energy is stored in food

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Food is a source of energy for our bodies. When we consume food, it gets broken down into molecules that our body can use for energy. These molecules are then converted into ATP (adenosine triphosphate), which is the main energy currency of cells. So, it is correct to say that energy is stored in food.

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  • 25. 

    Single-celled, algae, plants, make food through photosynthesis These are part of:

    • Producer

    • Decomposer

    Correct Answer
    A. Producer
    Explanation
    Single-celled algae are capable of photosynthesis, which means they can convert sunlight, carbon dioxide, and water into glucose (food) and oxygen. This process allows them to produce their own food and energy, making them producers in the ecosystem. Producers are organisms that can synthesize their own organic compounds and form the base of the food chain by providing energy to other organisms.

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  • 26. 

    Bacteria, fungi, single-celled These are part of:

    • Producer

    • Decomposer

    Correct Answer
    A. Decomposer
    Explanation
    Bacteria, fungi, and single-celled organisms are decomposers. Decomposers are organisms that break down dead organic matter, such as dead plants and animals, into simpler substances. They play a crucial role in nutrient recycling and the decomposition process, helping to release nutrients back into the ecosystem. By breaking down organic matter, decomposers contribute to the overall health and balance of ecosystems.

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  • 27. 

    ___________ describes how nitrogen moves between living and nonliving parts of an ecosystem

    • Nitrogen cycle

    • Bacteria

    • Plants

    • Animals

    Correct Answer
    A. Nitrogen cycle
    Explanation
    The nitrogen cycle describes how nitrogen moves between living and nonliving parts of an ecosystem. This cycle involves various processes such as nitrogen fixation, nitrification, assimilation, ammonification, and denitrification. Bacteria play a crucial role in this cycle by converting atmospheric nitrogen into a form that can be used by plants. Plants then take up this nitrogen and incorporate it into their tissues. Animals obtain nitrogen by consuming plants or other animals. Decomposers break down dead organisms and release nitrogen back into the soil, completing the cycle.

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  • 28. 

    ___________ in the soil use nitrogen gas from the air to make solid nitrogen compounds.

    • Nitrogen cycle

    • Bacteria

    • Plants

    • Animals

    Correct Answer
    A. Bacteria
    Explanation
    Bacteria in the soil play a crucial role in the nitrogen cycle by converting nitrogen gas from the air into solid nitrogen compounds. This process, known as nitrogen fixation, allows plants to access nitrogen in a form they can use for growth. Bacteria have the unique ability to convert atmospheric nitrogen into ammonia or nitrates, which can then be absorbed by plants. Without the presence of bacteria, nitrogen would remain in its gaseous form and be unavailable for plant uptake.

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  • 29. 

    ___________ use these compounds to grow.

    • Nitrogen cycle

    • Bacteria

    • Plants

    • Animals

    Correct Answer
    A. Bacteria
    Explanation
    Bacteria utilize these compounds to grow. In the nitrogen cycle, bacteria play a crucial role in converting nitrogen into forms that can be used by other organisms. They can convert nitrogen gas into ammonia through a process called nitrogen fixation, or break down organic nitrogen compounds into ammonia through ammonification. This ammonia can then be further converted into nitrites and nitrates through nitrification. Plants and animals rely on bacteria to provide them with these nitrogen compounds, which are essential for their growth and development.

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  • 30. 

    ___________  that eat the plants also use the compounds to grow.

    • Nitrogen cycle

    • Bacteria

    • Plants

    • Animals

    Correct Answer
    A. Bacteria
    Explanation
    Bacteria play a crucial role in the nitrogen cycle. They are responsible for converting nitrogen compounds in the soil into a form that plants can absorb and use for growth. Additionally, some bacteria form symbiotic relationships with plants, helping them obtain nitrogen from the atmosphere. Animals, on the other hand, do not directly use these compounds to grow. Therefore, bacteria is the correct answer.

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  • 31. 

    When the plants and animals die, other bacteria break down their bodies, releasing ______________ back into the air.

    • Nitrogen cycle

    • Bacteria

    • Plants

    • Nitrogen gas

    Correct Answer
    A. Nitrogen gas
    Explanation
    When plants and animals die, other bacteria break down their bodies through a process called decomposition. During this process, the bacteria release nitrogen gas back into the air. This is a crucial step in the nitrogen cycle, where nitrogen is continuously converted between different forms to be used by various organisms. Nitrogen gas is an essential component of the Earth's atmosphere and is necessary for the growth and survival of living organisms.

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  • 32. 

    Carbon dioxide and oxygen move between living and nonliving parts of an ecosystem in the _______________________________________.

    • Nitrogen cycle

    • Carbon dioxide-oxygen cycle

    • Plants

    • Nitrogen gas

    Correct Answer
    A. Carbon dioxide-oxygen cycle
    Explanation
    Carbon dioxide and oxygen move between living and nonliving parts of an ecosystem in the carbon dioxide-oxygen cycle. This cycle involves the process of photosynthesis, where plants take in carbon dioxide from the atmosphere and release oxygen as a byproduct. Then, during respiration, living organisms take in oxygen and release carbon dioxide. This exchange of gases between living organisms and the environment ensures a continuous supply of oxygen for organisms to breathe and a source of carbon dioxide for plants to perform photosynthesis.

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  • 33. 

    Burning large amounts of coal, oil, and other fossil fuels increase the levels of carbon dioxide in the atmosphere.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Burning large amounts of coal, oil, and other fossil fuels releases carbon dioxide into the atmosphere. This is because fossil fuels are made up of carbon compounds, and when they are burned, the carbon combines with oxygen to form carbon dioxide. As a result, the levels of carbon dioxide in the atmosphere increase, contributing to the greenhouse effect and climate change. Therefore, the statement is true.

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  • 34. 

    Global warning is the large amount of fossil fuels, coal, and oil released into the atmosphere.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because the burning of fossil fuels such as coal and oil releases greenhouse gases, including carbon dioxide, into the atmosphere. These greenhouse gases trap heat from the sun, leading to an increase in global temperatures and causing global warming. Therefore, the large amount of fossil fuels being released into the atmosphere is contributing to global warming.

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  • 35. 

    Global warning is the large amount of heat released in the atmosphere by trash.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement in the question is incorrect. Global warming is not caused by the large amount of heat released in the atmosphere by trash. Global warming is primarily caused by the increase in greenhouse gases, such as carbon dioxide, in the atmosphere due to human activities like burning fossil fuels and deforestation. Trash can contribute to global warming indirectly through the release of methane gas from decomposing organic waste in landfills, but it is not the main cause. Therefore, the correct answer is False.

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  • 36. 

    Ecosystems are constantly changing.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Ecosystems are constantly changing due to various factors such as natural disturbances, climate change, human activities, and the interactions between different species. These changes can include shifts in species composition, population sizes, and overall ecosystem structure and function. It is important to understand and monitor these changes to effectively manage and conserve ecosystems and the services they provide. Therefore, the statement "Ecosystems are constantly changing" is true.

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  • 37. 

    Ecosystems are constant.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Ecosystems are not constant but rather dynamic and constantly changing. They are influenced by various factors such as climate, species interactions, and human activities. Ecosystems go through natural cycles of growth, decline, and regeneration. Additionally, external disturbances such as natural disasters or human interventions can significantly impact ecosystems. Therefore, the statement that ecosystems are constant is incorrect.

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  • 38. 

    Natural changes in the ecosystem are: check all that apply

    • Temperature

    • Rainfall

    • Soil conditions

    Correct Answer(s)
    A. Temperature
    A. Rainfall
    A. Soil conditions
    Explanation
    Natural changes in the ecosystem refer to the variations that occur in the environment without any human intervention. These changes can impact the overall functioning and composition of the ecosystem. Temperature fluctuations influence the distribution and behavior of organisms, affecting their growth and reproductive patterns. Rainfall patterns determine the availability of water resources, which directly impacts the survival of plants and animals. Soil conditions, including nutrient content and pH levels, affect the types of vegetation that can grow in an area, consequently influencing the entire food chain. Therefore, temperature, rainfall, and soil conditions are all factors that contribute to natural changes in the ecosystem.

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  • 39. 

    Temperature is

    • Cold, warm, hot

    • Hard, constant, light

    • Run off or erosion, drought, mud

    Correct Answer
    A. Cold, warm, hot
    Explanation
    The correct answer is "cold, warm, hot" because temperature is a measure of the degree of heat or coldness of an object or environment. It can be described as cold when it is at a low temperature, warm when it is at a moderate temperature, and hot when it is at a high temperature. These terms are commonly used to indicate different levels of temperature and are widely understood.

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  • 40. 

    Rainfall is

    • Cold, warm, hot

    • Hard, constant, light

    • Run off or erosion, drought, mud

    Correct Answer
    A. Hard, constant, light
    Explanation
    The correct answer is "hard, constant, light". This answer seems to be describing the different types or characteristics of rainfall. "Hard" suggests that the rainfall is heavy or intense, "constant" indicates that it is continuous or consistent, and "light" implies that it is gentle or not heavy. These terms help to describe the intensity and duration of rainfall.

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  • 41. 

    Soil conditions are

    • Cold, warm, hot

    • Hard, constant, light

    • Run off or erosion, drought, mud

    Correct Answer
    A. Run off or erosion, drought, mud
    Explanation
    The answer includes three different soil conditions: run off or erosion, drought, and mud. Run off or erosion refers to the process of water carrying away soil particles, which can lead to soil degradation. Drought indicates a lack of water in the soil, causing it to become dry and potentially impacting plant growth. Mud refers to soil that is saturated with water, resulting in a soft and wet consistency. These three conditions highlight the different challenges and characteristics that can be present in soil.

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  • 42. 

    Human activity affects ecosystems

    • Mining

    • Construction

    • Farming

    Correct Answer(s)
    A. Mining
    A. Construction
    A. Farming
    Explanation
    Human activity affects ecosystems through mining, construction, and farming. Mining involves extracting minerals from the earth, which can lead to habitat destruction, soil erosion, and water pollution. Construction involves altering the natural landscape and can result in habitat fragmentation and loss, as well as increased pollution and disturbance. Farming practices such as the use of pesticides and fertilizers can contaminate water sources and harm biodiversity. Overall, these activities can disrupt the delicate balance of ecosystems, leading to the decline of species, loss of habitats, and negative impacts on the environment.

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  • 43. 

    Four causes of extinction

    • Loss of habitat

    • Overhunting

    • Introduced species

    • Climate change

    • All of these

    • None of these

    Correct Answer
    A. All of these
    Explanation
    The given answer "All of these" is correct because it includes all four causes of extinction mentioned in the question: loss of habitat, overhunting, introduced species, and climate change. These factors have been identified as major contributors to the extinction of various species throughout history. Loss of habitat due to human activities, such as deforestation and urbanization, disrupts the natural ecosystems and forces species to adapt or perish. Overhunting refers to the excessive hunting of animals for various purposes, leading to a decline in their populations. The introduction of non-native species can disrupt the balance of ecosystems and outcompete native species for resources. Climate change, caused primarily by human activities, alters habitats and affects the survival and reproduction of many species.

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  • 44. 

    Changes to ecosystems can cause a species to become extinct, or die out.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Changes to ecosystems can cause a species to become extinct because ecosystems provide the necessary resources and conditions for a species' survival. Any alteration to the ecosystem, such as habitat destruction, pollution, or climate change, can disrupt the balance and availability of resources, making it difficult or impossible for a species to thrive. As a result, the species may not be able to adapt or find suitable conditions to survive, leading to their extinction. This highlights the interconnectedness and vulnerability of species within ecosystems.

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  • 45. 

    Extinction is the gain of more species.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    It is the loss of the last member of the species

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  • 46. 

    Loss of habitat causes animals to have more babies.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Loss of habitat causes most extinctions, meaning less babies.

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  • 47. 

    Introduced species that are brought into an ecosystem from another part of the world causes extinction of local populations.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Introduced species can have a negative impact on local populations and ecosystems. When a species is introduced into a new ecosystem, it can outcompete native species for resources such as food, water, and habitat, leading to the decline or extinction of local populations. This can disrupt the balance of the ecosystem and cause further cascading effects on other species and the overall ecosystem health. Therefore, it is true that introduced species can cause the extinction of local populations.

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  • 48. 

    Tropical Rainforest, Deciduous Forest, Desert, Grassland, Taiga, and Tundra are Earth's ________.

    • Biomes

    • Global Warming

    • Permafrost

    Correct Answer
    A. Biomes
    Explanation
    The given answer, "Biomes," is correct because the question is asking for the term that describes the different types of ecosystems found on Earth. Biomes are large areas with distinct climate, vegetation, and animal life. The options "Global Warming" and "Permafrost" are not appropriate answers as they do not refer to the different types of ecosystems.

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  • 49. 

    Tropical Rainforest have the following:

    • Are warm

    • Heavy rain

    • Life found in trees

    • None of the above

    • All of the above

    Correct Answer(s)
    A. Are warm
    A. Heavy rain
    A. Life found in trees
    Explanation
    The tropical rainforest is characterized by warm temperatures throughout the year, heavy rainfall, and a diverse array of plant and animal life that is predominantly found in the trees. Therefore, the correct answer is "all of the above" as all the given statements accurately describe the features of tropical rainforests.

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  • Oct 21, 2024
    Quiz Edited by
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  • Nov 29, 2011
    Quiz Created by
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