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Questions and Answers
Which group of animals shows a reasonable degree of cephalization?
What is the neuroendocrine control system responsible for in annelids?
What inhibits epitoky in annelid worms?
Where are large numbers of neuro-endocrine cells found in molluscs?
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What type of regulatory processes are controlled by substances released by neuro-endocrine cells in snails?
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Why is reproduction complicated in molluscs?
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What is the term used to describe the phenomenon where male gametes appear before female gametes?
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In cephalopods, what structures are thought to play an important role in reproduction under endocrine control?
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Which group of crustaceans has a predominantly neuro-endocrine control system?
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What is the function of the Y organ in crustaceans?
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What is the role of the androgenic gland in crustaceans?
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What advantage do many crustaceans gain from their ability to change color?
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