According to , species evolve relatively rapidly then remain unchanged for long periods. punctuated equilibrium gradualism adaptive radiation uniformitarianism

oak trees? ? what was listed

answer by yourhope:

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human impact on the environment can be seen in the deterioration of the !

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not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.