5 Questions
Which subclass includes earthworms and many freshwater worms?
Subclass Oligochaeta
What is the specialized gut in leeches used for?
Storing large amounts of blood
What is the function of the clitellum during mating?
Secreting mucus to hold two worms together
Which subclass of annelids is dorso-ventrally flattened with suckers at both ends?
Subclass Hirudinea
What is a characteristic feature of subclass Oligochaeta?
Conspicuous segmentation
Test your knowledge of the major groups and characteristic features of higher invertebrates including Annelida and Mollusca. Learn about their well-developed circulatory system and complete muscular digestive tract.
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