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Chapter 15

Section 1

TermDefinition
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 evolution
layers of rock strata (stratum)
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 natural selection
the process of becoming adapted to an environment; an anatomical, physiological, or behavorial trait that improves an organism's ability to survive and reproduce adaptation
in evolutionary theory, a measure of an individual's hereditary contribution to the next generation fitness
Created by: fasolak16
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