1) The theory of evolution states that a) species that are extinct have no biological relationship to living species b) different animal species always interbreed to form new and different species c) species change over time, sometimes developing into new species d) the environment of Earth is constant over time 2) The diagram below represents an important biological concept. The concept being represented is a) overproduction b) natural selection c) homeostasis d) ecological succession 3) Natural selection is best described as a) a change in an organism in response to a need of that organism b) a process of nearly constant improvement that leads to an organism that is nearly perfect c) differences in survival rates as a result of different inherited characteristics d) inheritance of characteristics acquired during the life of an organism 4) Which concept includes the other three? a) competition b) survival of the fittest c) natural selection d) overproduction 5) Extinction of a species could result from a) evolution of a type of behavior that produces greater reproductive success b) synthesis of a hormone that controls cellular communication c) limited genetic variability in the species d) fewer unfavorable mutations in the species

Evolution

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