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Chapt.16
Question | Answer |
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evolution | generally, in biology, the process of change by which new species develop from preexisting species over time; |
artifical selection | the human practice of breeding animals or plants that have certain desired traits |
natural selection | the process by which individuals that are better adapted to their environment survive and reproduce more successfully than less well adapted individuals do; a theory to explain the mechanism of evolution |
adaptation | the process of becoming adapted to an environment; an anatomical, physiological, or behavioral change that improves a population's ability to survive |
fossil | the trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock |
homologous | describes a character that is shared by a group of species because it is inherited from a common ancestor |
speciation | the formation of new species as a result of evolution |