Podcast
Questions and Answers
Which group of animals shows a reasonable degree of cephalization?
Which group of animals shows a reasonable degree of cephalization?
- Flatworms
- Annelid worms (correct)
- Roundworms
- Cnidarians
What is the neuroendocrine control system responsible for in annelids?
What is the neuroendocrine control system responsible for in annelids?
- Epitoky (correct)
- Reproductive development
- Growth regulation
- Stolonization
What inhibits epitoky in annelid worms?
What inhibits epitoky in annelid worms?
- Neurosecretory neurons
- A hormone release (correct)
- Well developed circulatory system
- Large brain size
Where are large numbers of neuro-endocrine cells found in molluscs?
Where are large numbers of neuro-endocrine cells found in molluscs?
What type of regulatory processes are controlled by substances released by neuro-endocrine cells in snails?
What type of regulatory processes are controlled by substances released by neuro-endocrine cells in snails?
Why is reproduction complicated in molluscs?
Why is reproduction complicated in molluscs?
What is the term used to describe the phenomenon where male gametes appear before female gametes?
What is the term used to describe the phenomenon where male gametes appear before female gametes?
In cephalopods, what structures are thought to play an important role in reproduction under endocrine control?
In cephalopods, what structures are thought to play an important role in reproduction under endocrine control?
Which group of crustaceans has a predominantly neuro-endocrine control system?
Which group of crustaceans has a predominantly neuro-endocrine control system?
What is the function of the Y organ in crustaceans?
What is the function of the Y organ in crustaceans?
What is the role of the androgenic gland in crustaceans?
What is the role of the androgenic gland in crustaceans?
What advantage do many crustaceans gain from their ability to change color?
What advantage do many crustaceans gain from their ability to change color?
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