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Are substances released into the environment that in excess amounts cause damage

Groups of organisms with low biotic potential, such as gray whales, that produce at most one offspring every other year a) are r-selected b) are k-selected c) are not subject to density-dependent limiting factors d) show the initial stages of the extinction process e) have escaped from the processes of natural selection and adaptation

Actual age your first developed of age well comparison age refers to absolute age true or false