How Does Biodiversity Work? Learn In This Biology Quiz
(277).jpg "How Does Biodiversity Work? Learn In This Biology Quiz - Quiz")
Will go over topics such as: Biotechnology, Artifical and Natural Selection, Vocabulary, Extinction and Extirpation, Overspecialization, Symbiosis, Genetic Traits (Inheritated and Heritated Characteristics), Asexual and Sexual Reproduction, DNA and the Genetic Code, Genes, Cell Division (Mitosis and Meiosis), and Dominant and Recessive Traits.
Questions and Answers
- 1.
What is extinction?
- A.
The disappearance of every individual of a species form the entire planet
- B.
A local extinction, or the disappearance of a species from a particular area
- C.
Variation within species
- D.
Overspecialization
Correct Answer
A. The disappearance of every individual of a species form the entire planetExplanation
Extinction refers to the complete disappearance of every individual of a species from the entire planet. This means that there are no remaining members of the species left anywhere in the world. Extinction can occur due to various factors such as habitat destruction, climate change, hunting, or natural disasters. It is a significant event as it signifies the permanent loss of a species and can have far-reaching ecological and environmental impacts.Rate this question:
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- 2.
Some causes of species extinciton: I Disease II Overharvesting III Loss of habitat IV Natural Disasters Which causes of species extinction are most directly related to human activities?
- A.
I and III
- B.
I and IV
- C.
II and III
- D.
II and IV
Correct Answer
C. II and IIIExplanation
The causes of species extinction that are most directly related to human activities are overharvesting (II) and loss of habitat (III). Overharvesting refers to the excessive hunting, fishing, or harvesting of species for commercial or personal purposes, leading to a decline in their population. Loss of habitat, on the other hand, occurs when human activities such as deforestation, urbanization, or pollution destroy or degrade the natural habitats of species, making them unable to survive. These two causes are directly linked to human actions and their impact on the environment.Rate this question:
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- 3.
A benefit of asexual reproduction is that it....
- A.
Produces many offspring
- B.
Increases genetic diversity
- C.
Increases species diversity
- D.
Requires specialized structures
Correct Answer
A. Produces many offspringExplanation
Asexual reproduction is a type of reproduction that involves only one parent, and it produces offspring that are genetically identical to the parent. This method allows for the rapid production of numerous offspring, which is advantageous for the survival and proliferation of the species. By producing many offspring, asexual reproduction increases the chances of survival and successful colonization of new habitats. This is why producing many offspring is considered a benefit of asexual reproduction.Rate this question:
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- 4.
Labrador retrievers have 78 chromosomes in each of their muscles. ------------------------------------------------------------------------------------------------ Which biological process ensures that a male Labrador retriever's sperm cells will each have 39 chromosomes?
- A.
Mitosis
- B.
Meiosis
- C.
Selective breeding
- D.
Artificial selection
Correct Answer
B. MeiosisExplanation
Meiosis is the biological process that ensures that sperm cells in a male Labrador retriever (and in any other organism) will have half the number of chromosomes as the other cells in the body. During meiosis, the cells undergo two rounds of division, resulting in the production of four haploid cells, each containing half the number of chromosomes as the original cell. Therefore, in the case of a male Labrador retriever, which has 78 chromosomes in each of its muscle cells, meiosis will ensure that each sperm cell produced will have 39 chromosomes.Rate this question:
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- 5.
A plant that produced red flowers was mated with a plant that produced white flowers, the resulting offspring produced only red flowers. A conclusion that can be drawn from this experiment is that the white flower trait is...
- A.
Dominant and no longer part of the offspring's DNA
- B.
Recessive and no longer part of the offspring's DNA
- C.
Dominant and still part of the offspring's DNA
- D.
Recessive and still part of the offspring's DNA
Correct Answer
D. Recessive and still part of the offspring's DNAExplanation
The conclusion that can be drawn from this experiment is that the white flower trait is recessive and still part of the offspring's DNA. This is because when the red flower plant was mated with the white flower plant, all the resulting offspring produced red flowers. This indicates that the red flower trait is dominant and masks the expression of the white flower trait. However, since the offspring still have the potential to produce white flowers in future generations, it means that the white flower trait is recessive and present in their DNA.Rate this question:
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- 6.
Which of the following heritable traits cannot be influenced by the environment?
- A.
Height
- B.
Weight
- C.
Skin colour
- D.
Earlobe attachment
Correct Answer
D. Earlobe attachmentExplanation
Earlobe attachment is a heritable trait that is determined by genetics and cannot be influenced by the environment. It is determined by specific genes and is not affected by external factors such as diet, exercise, or environmental conditions. Height, weight, and skin color, on the other hand, can be influenced by a combination of genetic and environmental factors, such as nutrition, lifestyle, and exposure to sunlight.Rate this question:
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- 7.
What type of sexual reproduction is mitosis?
- A.
Asexual
- B.
Sexual
- C.
All of the above
- D.
None/ not listed
Correct Answer
A. AsexualExplanation
Mitosis is a type of cell division that results in two daughter cells with the same genetic material as the parent cell. It is a form of asexual reproduction because it does not involve the fusion of gametes or the exchange of genetic material between two individuals. Instead, mitosis allows for the production of genetically identical offspring, making it a key process in the growth, development, and repair of multicellular organisms.Rate this question:
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- 8.
What type of sexual reproduction is meiosis?
- A.
Asexual
- B.
Sexual
- C.
All of the above
- D.
None/ not listed
Correct Answer
B. SexualExplanation
Meiosis is a type of sexual reproduction. It is the process by which cells divide and produce gametes, such as eggs and sperm, with half the number of chromosomes as the parent cell. During meiosis, genetic material is shuffled and recombined, leading to genetic diversity in offspring. This process is essential for sexual reproduction as it allows for the exchange and mixing of genetic material between individuals. Therefore, the correct answer is sexual.Rate this question:
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- 9.
What is the number of divisions that occur in the process of mitosis?
- A.
1
- B.
2
- C.
4
- D.
0
Correct Answer
A. 1Explanation
Mitosis is a type of cell division that results in two identical daughter cells. During this process, the cell undergoes a series of stages, including prophase, metaphase, anaphase, and telophase. The number of divisions that occur in mitosis is one, as the cell divides only once to produce the two daughter cells. Therefore, the correct answer is 1.Rate this question:
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- 10.
What is the number of divisions that occur in the process of meiosis?
- A.
1
- B.
2
- C.
4
- D.
0
Correct Answer
B. 2Explanation
In the process of meiosis, there are two divisions that occur. Meiosis is a type of cell division that produces gametes (sex cells) with half the number of chromosomes as the parent cell. The first division, called meiosis I, separates homologous chromosomes, resulting in two cells with half the number of chromosomes. The second division, called meiosis II, separates sister chromatids, resulting in four cells with the haploid number of chromosomes. Therefore, the correct answer is 2.Rate this question:
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- 11.
Ducks, geese and seagulls all live in a park, which of these answers best describes their relationship?
- A.
Population
- B.
Species
- C.
Community
- D.
Resource partitioning
Correct Answer
A. PopulationExplanation
Ducks, geese, and seagulls all living in a park can be considered as a population because they are a group of individuals of the same species, living in the same area, and interacting with each other. A population refers to a group of organisms of the same species that inhabit a specific geographic area and can interbreed. In this case, the ducks, geese, and seagulls are all part of the same population in the park.Rate this question:
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- 12.
In the forest, there are a great population of moose that mate and create many offspring. Which of these answers best describes this relationship/situation?
- A.
Species
- B.
Population
- C.
Community
- D.
Niche
Correct Answer
C. CommunityExplanation
The term "community" best describes the relationship/situation in the given question. A community refers to a group of different populations of organisms living in the same area and interacting with each other. In this case, the forest is the area where the moose population exists, and the moose interact with other organisms such as plants, predators, and prey, forming a community.Rate this question:
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- 13.
In the rain forest, there are several tropical birds, frogs, spider monkeys and tree snails. This relationship is best desribed as a...
- A.
Community
- B.
Species
- C.
Area partitioning
- D.
Population
Correct Answer
B. SpeciesExplanation
This relationship is best described as "species" because the rainforest consists of different types of organisms such as birds, frogs, spider monkeys, and tree snails, each belonging to a distinct species. A species refers to a group of organisms that can interbreed and produce fertile offspring. In the rainforest, these different species coexist and interact with each other, forming a diverse ecosystem.Rate this question:
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- 14.
A tapeworm enters into the stomach of a human and consumes all the nutrients. This is described as....
- A.
Parasitism
- B.
Mutualism
- C.
Commensalism
- D.
Resource partitioning
Correct Answer
A. ParasitismExplanation
Parasitism is the correct answer because it accurately describes the relationship between the tapeworm and the human. In parasitism, one organism (the tapeworm) benefits at the expense of the other organism (the human) by consuming its nutrients. This relationship is harmful to the human, as it deprives them of essential nutrients, while the tapeworm benefits by obtaining its necessary nutrients for survival.Rate this question:
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- 15.
Two seagulls mate to reproduce. This is described as....
- A.
Parasitism
- B.
Mutualism
- C.
Commensalism
- D.
Resource partitioning
Correct Answer
B. MutualismExplanation
The term "mutualism" refers to a symbiotic relationship between two organisms where both benefit from the interaction. In the given scenario, the seagulls mate to reproduce, which is a mutualistic relationship as both individuals contribute to the continuation of their species.Rate this question:
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- 16.
Many fish swim closely to a whale, seagulls use this whale to catch food. This is described as....
- A.
Parasitism
- B.
Mutualism
- C.
Commensalism
- D.
Resource partitioning
Correct Answer
C. CommensalismExplanation
Commensalism is a type of relationship where one organism benefits while the other is neither harmed nor benefited. In this scenario, the fish swim closely to the whale, potentially gaining protection from predators or using the whale as a source of food scraps. The seagulls, in turn, take advantage of the disturbance created by the whale to catch food. While the fish benefit from the whale's presence, the whale is not affected by their actions, making it an example of commensalism.Rate this question:
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- 17.
Select the four types of asexual reproduction.
- A.
Binary fission
- B.
Budding
- C.
Spore production
- D.
Vegetative reproduction
- E.
Gamete cells
- F.
Fertilization
Correct Answer(s)
A. Binary fission
B. Budding
C. Spore production
D. Vegetative reproductionExplanation
The four types of asexual reproduction are binary fission, budding, spore production, and vegetative reproduction. Binary fission is the division of a single organism into two equal parts. Budding is the formation of a new organism from an outgrowth or bud on the parent organism. Spore production involves the production and release of reproductive cells called spores, which can develop into new organisms. Vegetative reproduction is the process of producing new individuals from non-reproductive parts of the parent organism, such as stems or roots. Gamete cells and fertilization are not types of asexual reproduction, as they involve the fusion of male and female reproductive cells to produce offspring.Rate this question:
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- 18.
A single celled organism splits its cell into 2 cells and both are identical. What type of asexual reproduction is this?
- A.
Binary fission
- B.
Budding
- C.
Spore reproduction
- D.
Vegetative reproduction
Correct Answer
A. Binary fissionExplanation
Binary fission is the correct answer because it is a type of asexual reproduction where a single-celled organism divides into two identical cells. In binary fission, the parent cell duplicates its genetic material and then divides into two daughter cells, each containing a complete set of genetic material. This process results in the production of two identical organisms.Rate this question:
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- 19.
A parent organism produces a bud, which then overtime detaches from the parent and becomes an individual. What type of asexual reproduction is this?
- A.
Binary fission
- B.
Budding
- C.
Spore reproduction
- D.
Vegetative reproduction
Correct Answer
B. BuddingExplanation
Budding is the correct answer because it involves the parent organism producing a bud, which eventually detaches and becomes an individual. This process is a form of asexual reproduction where the offspring is genetically identical to the parent.Rate this question:
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- 20.
One parent plant produces several offspring, each growing into a new individual, being identical to the parent. What type of asexual reproduction is this?
- A.
Binary fission
- B.
Budding
- C.
Spore reproduction
- D.
Vegetative reproduction
Correct Answer
C. Spore reproductionExplanation
This is not spore reproduction. Spore reproduction involves the production and release of spores, which are single-celled reproductive structures that can grow into new individuals. In this scenario, the parent plant produces several offspring that are identical to the parent, which is characteristic of vegetative reproduction. Vegetative reproduction involves the growth and development of new individuals from vegetative parts of the parent plant, such as stems, leaves, or roots.Rate this question:
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- 21.
No seeds are involved, this reproduction includes cuttings, runners, suckers and tuber. What type of asexual reproduction is this?
- A.
Binary fission
- B.
Budding
- C.
Spore reproduction
- D.
Vegetative reproduction
Correct Answer
D. Vegetative reproductionExplanation
This type of asexual reproduction is called vegetative reproduction because it involves the growth and development of new individuals from vegetative parts of a plant, such as cuttings, runners, suckers, or tubers. In this process, no seeds are involved, and the new individuals are genetically identical to the parent plant.Rate this question:
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Mar 21, 2023Quiz Edited by
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May 06, 2012Quiz Created by
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