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Higher Invertebrate Metazoans: Annelida and Mollusca

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Higher Invertebrate Metazoans: Annelida and Mollusca

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Questions and Answers

Which subclass includes earthworms and many freshwater worms?

Class Polychaeta

Subclass Oligochaeta (correct)

Subclass Hirudinea

Class Clitellata

What is the specialized gut in leeches used for?

Excreting waste

Respiration

Digesting food

Storing large amounts of blood (correct)

What is the function of the clitellum during mating?

Facilitating respiration

Secreting mucus to hold two worms together (correct)

Protecting the body from predators

Producing eggs for reproduction

Which subclass of annelids is dorso-ventrally flattened with suckers at both ends?

<p>Subclass Hirudinea (C)</p> Signup and view all the answers

What is a characteristic feature of subclass Oligochaeta?

<p>Conspicuous segmentation (C)</p> Signup and view all the answers

Higher Invertebrate Metazoans: Annelida and Mollusca

Choose a study mode

Podcast

Questions and Answers

Which subclass includes earthworms and many freshwater worms?

What is the specialized gut in leeches used for?

What is the function of the clitellum during mating?

Which subclass of annelids is dorso-ventrally flattened with suckers at both ends?

What is a characteristic feature of subclass Oligochaeta?

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