organism development {embryology}|.
insects {entomology}|.
Animals have natural behaviors {ethology}|, such as aggression, imprinting, instincts, innate releasing mechanisms, and fixed action patterns, which evolve, develop, and have purposes. Environmental stimuli trigger innate complex behaviors. Perhaps, humans have innate behaviors or behavioral tendencies, such as aggression.
fish {ichthyology}|.
birds {ornithology}|.
palm reading {palmistry}|.
skull regions {phrenology}|.
stuffing animal skins and mounting heads {taxidermy}|.
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Date Modified: 2022.0225