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Meiosis is important because it ensures that all organisms produced via sexual reproduction contain the correct number of chromosomes. Meiosis also produces genetic variation by way of the process of recombination.
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For example, a forest of trees and undergrowth plants, inhabited by animals and rooted in soil containing bacteria and fungi, constitutes a biological community. A brief treatment of biological communities follows. ... The various species in a community each occupy their own ecological niche.
<span>Mesosaurus evolved after Pangaea broke up but before South America and Africa split apart.</span>
The nervous system help in communication of the body. Therefore, the bbrain is gray, a wrinkly organ and is made up of millions of neurons.
