Which hormone regulates carbohydrate metabolism in vertebrates but has no direct counterpart in insects?
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Correct answer: Insulin (blood glucose–lowering)
Insulin is a vertebrate hormone that lowers blood glucose levels. Insects use different hormones for energy regulation.
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More Comparative Endocrine Systems in Animals questions
- The endocrine system becomes more complex with evolution primarily due to:
- Which vertebrate group shows the earliest appearance of a well-developed endocrine system?
- Which hormone is involved in metamorphosis in both amphibians and insects?
- Endocrine control in invertebrates is generally characterized by:
- Which hormone is secreted by the vertebrate adrenal medulla but has a similar stress-related role in insects?
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