NEUR 2200 Midterm: Neuro 2200 midterm 1 review Chapters 1-6

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Behaviour can be explained as a function of the nervous system without explanatory recourse to the mind. Explanation for how new species evolve and existing species change over time. Differential success in the reproduction of different characteristics (phenotypes) result from the interaction of organisms with their environment. The study of differences in gene expression related to environment and experience. Epigenetic factor do not change your genes, but they do influence how your genes express the traits you"ve inherited from your parents. Epigenetic can persist throughout a lifetime, and the cumulative effects can make dramatic differences in how your genes work. A forbearer form which two or more lineages or family groups arise. > example: humans and apes are thought to share a common ancestor. Can trace our lineage by comparing the genes, brains, and behaviours of different animals. Among the various animal phyla, the nervous system has evolved considerably. Nerve net: simple nervous system with sensory and motor nerves.

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