Questions and Answers
Which class of Annelida is known for its medicinal and blood-sucking species?
Class Hirudinea
Which class of Annelida is characterized by the presence of many bristles?
Class Polychaeta
What is the notable feature of ctenophores that they use for swimming?
Cilia
Which class of Annelida is primarily composed of earthworms?
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What is the size range of adult ctenophores?
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What is the body composition of ctenophores?
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What is the phylum of marine invertebrates commonly known as comb jellies?
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What is the primary diet of almost all ctenophores?
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Study Notes
Annelida Classes
- Hirudinea is the class of Annelida known for its medicinal and blood-sucking species.
- Polychaeta is the class of Annelida characterized by the presence of many bristles.
- Oligochaeta is the class of Annelida primarily composed of earthworms.
Ctenophores
- Ctenophores use their comb-like rows of cilia (ctenes) for swimming.
- Adult ctenophores range in size from a few millimeters to 1.5 meters.
- Ctenophores are composed of a gelatinous body with a network of nerve cells.
- Ctenophores are marine invertebrates commonly known as comb jellies, belonging to the phylum Ctenophora.
- Almost all ctenophores feed primarily on small fish, crustaceans, and plankton.
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Description
Test your knowledge of Annelida with this quiz covering general characteristics and the classification of Annelida up to classes according to the Ruppert and Barnes 1994 classification. See if you can identify and match the classes with their respective examples such as Polychaeta (e.g., rag worms, clam worms), Oligochaeta (e.g., earthworms), and Hirudinea (e.g., leeches).
