Lecture 14: Reproduction In Invertebrates Quiz
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Welcome to the "Reproduction in Invertebrates" Quiz! Are you ready to explore the diverse and fascinating world of invertebrate reproduction? This quiz will test your knowledge of the various reproductive strategies employed by organisms without a backbone, including insects, mollusks, arachnids, and more. From external fertilization in aquatic organisms to internal fertilization in terrestrial species, you'll delve into the unique adaptations and behaviors that enable invertebrates to reproduce and perpetuate their species.
Whether it's the complex courtship rituals of cephalopods or the remarkable reproductive cycles of insects, this quiz covers it all. So, if you're curious about how invertebrates reproduce Read moreand want to test your understanding of their reproductive biology, this quiz is for you! Get ready to dive into the world of invertebrate reproduction and see how much you know about these remarkable creatures. Let's begin!
Reproduction in Invertebrates Questions and Answers
- 1.
Which of these are characteristics of Kingdom Animalia?
- A.
Multicellular
- B.
Contain organs with specialized tissues and complex cells
- C.
Heterotrophic
- D.
All of the Above
- E.
None of the Above
Correct Answer
D. All of the AboveExplanation
The characteristics of Kingdom Animalia include being multicellular, having organs with specialized tissues and complex cells, and being heterotrophic. Being multicellular means that animals are made up of more than one cell. Having organs with specialized tissues and complex cells means that animals have different organs that perform specific functions, and their cells are more specialized compared to other organisms. Being heterotrophic means that animals obtain their energy by consuming other organisms. Therefore, all of the above options accurately describe the characteristics of Kingdom Animalia.Rate this question:
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- 2.
_____ lack a backbone and include animals such as sponges, worms, insects, and crustaceans.
Correct Answer
Invertebrates
invertebratesExplanation
Invertebrates are animals that lack a backbone and include a wide range of species such as sponges, worms, insects, and crustaceans. The term "invertebrates" refers to any animal that does not possess a vertebral column or spine. This group of animals exhibits a diverse range of characteristics and adaptations, and they play crucial roles in various ecosystems.Rate this question:
- 3.
_____ have a backbone and include animals such as fish, amphibians, reptiles, birds, and mammals.
Correct Answer
Vertebrates
vertebratesExplanation
Vertebrates are animals that have a backbone, including fish, amphibians, reptiles, birds, and mammals. The term "vertebrates" refers to this specific group of animals, and it is always capitalized when used as a noun. It encompasses a wide range of species that share the common characteristic of having a backbone or spinal column.Rate this question:
- 4.
Which animal does not reproduce sexually?
- A.
Frogs
- B.
Coral
- C.
Worms
Correct Answer
B. CoralExplanation
Coral is the correct answer because it is the only animal that does not reproduce sexually. Coral reproduces asexually through a process called budding, where new coral polyps grow and detach from the parent colony to form new colonies. This method of reproduction does not involve the fusion of gametes from two separate individuals, which is characteristic of sexual reproduction. Frogs and worms, on the other hand, reproduce sexually through the fertilization of eggs by sperm.Rate this question:
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- 5.
This type of tissue includes any tissue that lines the external environment such as skin, the digestive tract, the respiratory tract, and the urinary tract.
Correct Answer
Epithelial
Epithelial TissueExplanation
Epithelial tissue is the correct answer because it is the type of tissue that lines the external environment, including the skin, digestive tract, respiratory tract, and urinary tract. Epithelial tissue acts as a protective barrier and helps in the absorption and secretion of substances. It is made up of closely packed cells with little to no intercellular matrix. Epithelial tissue is essential for maintaining the integrity and function of these body surfaces.Rate this question:
- 6.
This type of tissue is usually found under the epithelial tissue for support, protection, or elasticity. (Ex. Blood, fat, bones, and ligaments)
Correct Answer
Connective
Connective TissueExplanation
Connective tissue is a type of tissue that is typically found beneath the epithelial tissue and serves various functions such as support, protection, and elasticity. Examples of connective tissues include blood, fat, bones, and ligaments. Connective tissue provides structural support to different organs and tissues in the body, helps in the transportation of nutrients and waste products, and plays a crucial role in the body's defense mechanisms.Rate this question:
- 7.
_____ symmetry is symmetrical on the left and right sides.
Correct Answer
Bilateral
bilateralExplanation
Bilateral symmetry refers to the arrangement of body parts in an organism in such a way that it can be divided into two equal halves along a central axis. This means that the left and right sides of the organism are mirror images of each other. Therefore, the correct answer is "bilateral" or "bilateral" as both spellings refer to the same concept of symmetrical left and right sides.Rate this question:
- 8.
Which of these is not true of sponges?
- A.
They are grouped in the Phylum Porifera.
- B.
They are sessile (immobile).
- C.
They have only simple connective tissue and no organs.
- D.
They only reproduce sexually.
- E.
They can reproduce sexually and asexually.
Correct Answer
D. They only reproduce sexually.Explanation
Sponges are a type of animal that belongs to the Phylum Porifera. They are sessile, meaning they are immobile and attached to a surface. Sponges have simple connective tissue and lack organs. Unlike the statement suggests, sponges are capable of reproducing both sexually and asexually. Therefore, the correct answer is "They only reproduce sexually."Rate this question:
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- 9.
The Class Hydrozoa (Hydras), Class Scyphozoa (Jellyfish), Class Anthozoa (Corals and Sea Anemones), and Class Cubozoa (like Jellyfish) belong to the Phylum _____.
Correct Answer
Cnidaria
cnidariaExplanation
The correct answer is Cnidaria. Cnidaria is a phylum that includes organisms such as hydras, jellyfish, corals, and sea anemones. These organisms share common characteristics such as radial symmetry, tentacles with stinging cells called cnidocytes, and a simple body structure.Rate this question:
- 10.
In the Phylum Cnidaria, which body plan resembles a column/cylinder?
Correct Answer
PolypExplanation
The correct answer is "Polyp". In the Phylum Cnidaria, the body plan that resembles a column is called a polyp. A polyp is a cylindrical, sessile (non-moving) form of cnidarian that attaches to a surface and has a mouth surrounded by tentacles facing upwards. This body plan is characteristic of organisms like sea anemones and coral polyps. The repetition of the word "polyp" in the answer is likely a duplication error.Rate this question:
- 11.
In the Phylum Cnidaria, which body plan resembles the typical jellyfish shape?
Correct Answer
MedusaExplanation
The correct answer is "Medusa". In the Phylum Cnidaria, the body plan that resembles the typical jellyfish shape is called a medusa. Medusae are free-swimming, bell-shaped organisms with tentacles hanging down from their body. They are a key characteristic of the Cnidaria phylum, which includes jellyfish, sea anemones, and corals.Rate this question:
- 12.
In the Phylum Cnidaria, the Hydra is the only animal that lives in freshwater.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
False. While Hydra is a well-known freshwater cnidarian in the phylum Cnidaria, it is not the sole representative. Various other freshwater cnidarians exist, such as certain species of freshwater jellyfish and freshwater polyps. These organisms showcase the adaptability of cnidarians to diverse aquatic environments beyond marine habitats.Rate this question:
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- 13.
What are the stinging cells on the animals in the Phylum Cnidaria called?
Correct Answer
Nematocyts
nematocytsExplanation
The stinging cells on the animals in the Phylum Cnidaria are called nematocytes. These specialized cells contain a coiled thread-like structure called a cnidocyst, which is used to inject venom into prey or potential threats. Nematocytes are found in various forms in different species of Cnidaria, such as jellyfish, sea anemones, and coral. They play a crucial role in capturing and immobilizing prey, as well as defending against predators.Rate this question:
- 14.
The animals in the Phylum Cnidaria can reproduce only sexually.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement is false because animals in the Phylum Cnidaria can reproduce both sexually and asexually. Some cnidarians, such as jellyfish, reproduce sexually by releasing eggs and sperm into the water, while others can reproduce asexually through a process called budding, where a new individual grows out of the parent organism. Therefore, the statement that they can only reproduce sexually is incorrect.Rate this question:
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- 15.
Cnidarians are radial animals.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Cnidarians are radial animals because their body structure is organized around a central axis, with body parts arranged in a circular or radial pattern. This radial symmetry allows them to have multiple planes of symmetry and enables them to capture food from any direction. Examples of cnidarians include jellyfish, sea anemones, and coral.Rate this question:
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- 16.
The animals in the Phylum Ctenophores are also called _____.
Correct Answer
comb jellies
Comb JelliesExplanation
The animals in the Phylum Ctenophores are commonly known as comb jellies. This name is derived from the rows of cilia or "combs" that they possess, which they use for locomotion. Comb jellies are gelatinous marine organisms that are characterized by their transparent bodies and bioluminescent properties. They are not true jellyfish but belong to a separate phylum. The name "comb jellies" is used to distinguish them from other gelatinous marine creatures like jellyfish.Rate this question:
- 17.
The Phylum Ctenophores are _____.
- A.
Bilateral
- B.
Biradial
Correct Answer
B. BiradialExplanation
The correct term for the symmetry exhibited by members of the Phylum Ctenophores is biradial symmetry. Biradial symmetry combines aspects of both radial and bilateral symmetry. While ctenophores generally display radial symmetry along their oral-aboral axis, they also possess bilateral symmetry along their tentacular axis. This combination allows for more complex movements and feeding behaviors compared to organisms with purely radial symmetry.Rate this question:
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- 18.
This Phylum is broken up into three groups (Class Turbellaria, Class Trematoda, and Class Cestoda) and includes flatworms and many other parasites.
- A.
Ctenophores
- B.
Cnidaria
- C.
Platyhelminthes
- D.
Annelida
Correct Answer
C. PlatyhelminthesExplanation
Platyhelminthes is the correct answer because it is the phylum that includes flatworms and many other parasites. This phylum is further divided into three classes: Turbellaria, Trematoda, and Cestoda. Ctenophores and Cnidaria are incorrect options as they belong to different phyla. Annelida is also incorrect as it refers to the phylum that includes segmented worms, not flatworms.Rate this question:
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- 19.
The Class Turbellaria (in the Phylum Platyhelminthes) can reproduce _____.
- A.
Sexually
- B.
Asexually
- C.
Both Sexually & Asexually
Correct Answer
C. Both Sexually & AsexuallyExplanation
The Class Turbellaria, which belongs to the Phylum Platyhelminthes, is capable of reproducing both sexually and asexually. This means that they have the ability to reproduce through the fusion of gametes (sexual reproduction) as well as through the production of offspring without the involvement of gametes (asexual reproduction). This dual reproductive capability allows them to adapt to different environmental conditions and maximize their reproductive success.Rate this question:
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- 20.
The Class Trematoda (in the Phylum Platyhelminthes) can reproduce _____. (All parasitic Flukes)
- A.
Sexually
- B.
Asexually
- C.
Both Sexually & Asexually
Correct Answer
C. Both Sexually & AsexuallyExplanation
Trematodes, or parasitic flukes, exhibit both sexual and asexual reproduction in their life cycle. Sexual reproduction typically occurs within the definitive host, where adult flukes reside and release fertilized eggs. These eggs are then excreted into the environment, continuing the life cycle. Conversely, asexual reproduction occurs during certain stages within the intermediate host, often a snail, where flukes produce larvae or cercariae, which are the infective stages for the definitive host. This combination of sexual and asexual reproduction enables trematodes to complete their complex life cycle, utilizing different hosts for various stages of development.Rate this question:
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- 21.
The Class Cestoda (in the Phylum Platyhelminthes) can reproduce _____. (Tape Worms)
- A.
Sexually
- B.
Asexually
- C.
Both Sexually & Asexually
Correct Answer
C. Both Sexually & AsexuallyExplanation
The Class Cestoda, which includes tape worms, can reproduce both sexually and asexually. They have complex life cycles that involve both sexual reproduction, with the production of eggs that are released into the environment, and asexual reproduction, through a process called budding. In budding, new individuals form as small outgrowths from the parent worm. This ability to reproduce in multiple ways allows tape worms to adapt to different environments and increase their chances of survival and spreading.Rate this question:
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- 22.
The head of a tapeworm is called the _____.
Correct Answer
scolex
ScolexExplanation
The head of a tapeworm is called the scolex. The scolex is a specialized structure at the anterior end of the tapeworm that contains hooks and suckers, which the parasite uses to attach itself to the host's intestine. This allows the tapeworm to absorb nutrients from the host's digestive system. The term "scolex" is derived from the Latin word for "head."Rate this question:
- 23.
The segments of a tapeworm are called _____.
Correct Answer
Proglottids
proglottidsExplanation
Proglottids are the segments of a tapeworm. These segments contain reproductive organs and are responsible for producing eggs. As the tapeworm grows, new proglottids are continuously formed at the neck region of the worm, pushing the older ones towards the tail. Each proglottid is capable of releasing thousands of eggs, which are then passed out of the host's body through feces. Therefore, proglottids play a crucial role in the life cycle and reproduction of tapeworms.Rate this question:
- 24.
The Phylum Mollusca is _____.
- A.
Bilateral
- B.
Radial
Correct Answer
A. BilateralExplanation
The correct answer is "Bilateral." This is because the phylum Mollusca is characterized by bilateral symmetry, meaning that the body can be divided into two equal halves along a central axis. This symmetry is evident in various mollusks such as snails, clams, and squid, where the left and right sides of their bodies are mirror images of each other.Rate this question:
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- 25.
The animals in the Phylum Mollusca can reproduce _____.
- A.
Sexually
- B.
Asexually
- C.
Both Sexually & Asexually
Correct Answer
A. SexuallyExplanation
Animals in the Phylum Mollusca can reproduce sexually. This means that they have separate male and female individuals that produce gametes, such as eggs and sperm, which combine to form offspring. Sexual reproduction allows for genetic variation and the potential for adaptation to changing environments. In contrast, asexual reproduction involves the production of offspring without the involvement of gametes or the mixing of genetic material, resulting in offspring that are genetically identical to the parent. However, in the case of Mollusca, they primarily reproduce sexually.Rate this question:
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- 26.
The only animal in the Phylum Mollusca that uses internal fertilization is the:
- A.
Cephalopod
- B.
Gastropod
- C.
Bivalve
- D.
Polyplacophoran
Correct Answer
A. CepHalopodExplanation
Cephalopods, such as squid, octopus, and cuttlefish, are the only animals in the Phylum Mollusca that use internal fertilization. Unlike other mollusks, which typically rely on external fertilization where eggs and sperm are released into the water to meet and fertilize, cephalopods have evolved specialized reproductive organs that allow for internal fertilization.Rate this question:
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- 27.
Cephlapods (in the Phylum Mollusca) have the most complex nervous systems of all invertebrates.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Cephalopods, which include creatures like octopuses and squids, have the most complex nervous systems among all invertebrates. This is because they have a highly developed brain and a network of nerves that allows them to have advanced sensory perception, problem-solving abilities, and even some level of learning and memory. Their nervous systems are more advanced compared to other invertebrates like insects or worms, which have simpler nervous systems. Therefore, the statement that cephalopods have the most complex nervous systems among invertebrates is true.Rate this question:
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- 28.
The Phylum _____ contains earthworms, live in moist environments, and have complex organ systems.
- A.
Cnidaria
- B.
Annelida
- C.
Mollusca
- D.
Platyhelminthes
Correct Answer
B. AnnelidaExplanation
Annelida is the correct answer because it is the phylum that contains earthworms. Earthworms are known to live in moist environments, and they have complex organ systems. Cnidaria is a different phylum that includes animals like jellyfish and coral, which do not fit the description given. Mollusca is another phylum that includes animals like snails and clams, but they do not match the given characteristics. Platyhelminthes is yet another phylum that includes animals like flatworms, which also do not fit the given description.Rate this question:
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- 29.
The animals in the Phylum Annelida reproduce _____.
- A.
Sexually
- B.
Asexually
- C.
Both Sexually & Asexually
Correct Answer
C. Both Sexually & AsexuallyExplanation
Annelids, belonging to the Phylum Annelida, employ both sexual and asexual reproduction in their reproductive strategies. Sexual reproduction involves the exchange of gametes between individuals during mating, facilitating genetic diversity within offspring. Additionally, some annelids can reproduce asexually through methods such as fragmentation or budding, allowing for rapid reproduction and colonization of new habitats. These dual reproductive mechanisms contribute to the adaptability and reproductive success of annelids in various environments.Rate this question:
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- 30.
The Phylum _____ contains roundworms, can be found in a variety of environments, and are mostly parasitic.
- A.
Annelida
- B.
Platyhelminthes
- C.
Nematode
- D.
Cnidaria
Correct Answer
C. NematodeExplanation
The correct answer is Nematode. Nematodes, also known as roundworms, are a phylum of animals that can be found in a variety of environments. They are mostly parasitic, meaning they live off other organisms. Annelida refers to segmented worms, Platyhelminthes refers to flatworms, and Cnidaria refers to jellyfish and other similar organisms.Rate this question:
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- 31.
The animals in the Phylum Nematode reproduce _____.
- A.
Sexually
- B.
Asexually
- C.
Both Sexually & Asexually
Correct Answer
A. SexuallyExplanation
The animals in the Phylum Nematode reproduce sexually. This means that they require a male and a female to mate and produce offspring. Sexual reproduction involves the fusion of gametes (sperm and egg) from two parents, resulting in genetic diversity in the offspring. This allows for variations in the population, which can be advantageous for adaptation and survival in changing environments.Rate this question:
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- 32.
The Phylum _____ contains Crustaceans, Insects, and Arachnids, has an exoskeleton made of Chitin, and is the largest Animal Phyla.
- A.
Annelida
- B.
Cnidaria
- C.
Arthropoda
- D.
Nematode
Correct Answer
C. ArthropodaExplanation
Arthropoda is the correct answer because it encompasses a diverse group of organisms including crustaceans, insects, and arachnids. These organisms have an exoskeleton made of chitin, which provides support and protection. Arthropoda is the largest animal phylum, with over a million known species. Annelida, Cnidaria, and Nematode are not correct answers because they do not fit the given characteristics. Annelida refers to segmented worms, Cnidaria includes jellyfish and corals, and Nematode refers to roundworms.Rate this question:
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Mar 27, 2024Quiz Edited by
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Oct 29, 2008Quiz Created by
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