Animal Diversity I

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1. What is the body cavity type called in which organs are contained within a solid mass of mesoderm and what is an example?

Explanation

Acoelomates lack a true body cavity, whereas pseudocoelomates have a body cavity between mesoderm and endoderm, coelomates have a true body cavity completely lined with mesoderm, and hemocoel is a type of body cavity found in arthropods.

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About This Quiz
Animal Diversity I - Quiz

Explore the fascinating world of animal diversity in this Biology 11 workshop. Dive into the intricacies of various animal species, understand their unique characteristics, and enhance your knowledge... see moreon biological classification and adaptation. Ideal for students aiming to deepen their understanding of zoology and ecological relationships. see less

2. What is the body cavity type called and what is an example?

Explanation

The correct answer is pseudocoelomate because nematodes have a body cavity that is only partially lined with mesoderm. Coelomates have a true body cavity, acoelomates lack a body cavity, and hemocoel is a type of body cavity found in insects.

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3. What is the body cavity type called in Eucoelomate organisms and provide an example?

Explanation

Eucoelomates have a true coelom which is derived from mesoderm, as seen in Annelids. Pseudocoelomates have a false coelom, Acoelomates lack a body cavity, and Hemocoel is a body cavity in the circulatory system of insects.

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4. What are spicules and what is their purpose?

Explanation

Spicules are structural elements found in sponges that serve a specific purpose related to their support and protection.

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5. What phylum and class does Hydras belong to?

Explanation

Hydras belong to the phylum Cnidaria and the class Hydrozoa. They are simple freshwater animals with radial symmetry and tentacles containing cnidocytes used for capturing prey.

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6. What specialized cells do cnidarians have?

Explanation

Cnidocytes are unique stinging cells found in cnidarians that are used for defense and capturing prey.

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7. What organelle do cnidocytes contain?

Explanation

Cnidocytes contain nematocytes, specialized organelles used for stinging. They are not related to chloroplasts, Golgi apparatus, or mitochondria.

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8. To which phylum does the Planarian belong?

Explanation

The Planarian belongs to the phylum Platyhelminthes due to its flat body structure and simplicity.

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9. What phylum does a roundworm belong to?

Explanation

Roundworms belong to the phylum Nematoda, which consists of elongated, unsegmented worms that are found in diverse habitats.

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10. What phylum does an earthworm belong to?

Explanation

Earthworms belong to the phylum Annelida, which are characterized by their segmented bodies and bristly setae.

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What is the body cavity type called in which organs are contained...
What is the body cavity type called and what is an example?
What is the body cavity type called in Eucoelomate organisms and...
What are spicules and what is their purpose?
What phylum and class does Hydras belong to?
What specialized cells do cnidarians have?
What organelle do cnidocytes contain?
To which phylum does the Planarian belong?
What phylum does a roundworm belong to?
What phylum does an earthworm belong to?
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