The set of actions performed by an organism within a given environment

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How did specialized nerve-based behaviors emerge in organisms?

There are quite a lot of diversity in behaviors of animals and lesser organisms, like mating, hunting, feeding, hiding and avoiding predators. At the same time I know that many hormones like ...
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Why do animals sleep

Animals spend a good portion of every day doing nothing, and it seems like that time could be better spent hunting, searching for mates, etc. Also, animals are not aware during sleep, so it would be ...
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Which hormones/ neurotransmitters are involved in human motivation?

I'm reading this Wikipedia article on motivation, and noticed that it does not have a section specifically related to hormones involved in "getting things done" At the same time there is this ...
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what's an ethics-friendly way to measure the protocol of electric shocking mice?

We have to measure the protocol of electric shocking mice. The mice are head-fixed, we have to guarantee that the electric current is significant to make the mice learn, but not too big to make the ...