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MB 15.1
MB Chapter 15, Section 1
Term | Definition |
---|---|
evolution | a heritable change in the characteristics within a population from one generation to the next; the development of new types of organisms from preexisting types of organisms over time |
strata | layers of rock |
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 |
adaption | the process of becoming adapted to an environment; an anatomical, physiological, or behavioral change that improves a population's ability to survive |
fitness | a measurement of the ability of a species to respond to the pressures of natural selection; the ability of individuals to survive to propagate their genes |