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"Simple" insects like fruit flies can learn to associate odors with food, e.g. see here for a pretty classic example. Drosophila even show some kind of depression which is acquired. Their sexual experiences even shape their alcohol intake. You will find similar examples for other model organisms as well. So, yes, simple animals behave differently in ...


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Nice question, I'll answer it in parts: Is it necessary for our body? Well, there can be many perspectives for why humans like singing. Let's talk about the evolutionary perspective first. I found three theories about why singing was evolutionarily beneficial for humans. The Shakespearean theory, that music is at least one of the foods of love, has a ...


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Temperature affect pretty much all metabolic pathways. There are incentive in fishes as well to control their internal temperature. Control of Body temperature can be categorize along two axes, one concerning the source of heat and the other the magnitude of temperature variation. Please have a look at this post to understand the terms endo-, exo-, poikilo-,...



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