The endocrine system becomes more complex with evolution primarily due to:
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Correct answer: Development of specialized glands
Evolution led to the formation of specialized endocrine glands. This allowed precise and diversified hormonal control.
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More Comparative Endocrine Systems in Animals questions
- 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?
- The main endocrine glands regulating reproduction are best developed in:
- Which endocrine organ in insects is functionally similar to the vertebrate pituitary gland?