Evolutionary aspects of the endocrine and nervous systems.
D000818:Animals; D018407:Bacterial Physiological Phenomena; D005075:Biological Evolution; D012831:Bombyx; D004331:Drosophila melanogaster; D006829:Hydra; D007328:Insulin / Q000502:physiology; D007447:Invertebrate Hormones / Q000502:physiology; D009419:Nerve Tissue Proteins / Q000502:physiology*; D009490:Neurosecretory Systems / Q000378:metabolism / Q000502:physiology*; D010944:Plants; D011972:Receptor, Insulin / Q000145:classification / Q000502:physiology; D012908:Snails
D007328:Insulin; D007447:Invertebrate Hormones; D009419:Nerve Tissue Proteins; D011972:Receptor, Insulin