All of the following are matched correctly EXCEPT
Correct answer: B. Malpighian tubules-earthworms
- A. Nerve net-hydra
- B. Malpighian tubules-earthworms
- C. Nematocysts-hydra
- D. Contractile vacuoles-amoeba
- E. Flame cells-planaria
Explanation
Malpighian tubules: These are excretory organs found in insects that remove waste products from the hemolymph (insect blood). Earthworms don't have Malpighian tubules and use a different excretory system.
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About Chemical Coordination and Hormones
Chemical coordination uses hormones released by endocrine glands and carried in blood to specific target cells. Coverage includes the pituitary, thyroid, pancreas, adrenal glands, ovaries and testes, feedback control, and the contrast between slower, longer-lasting hormonal responses and rapid nervous coordination.
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