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Chp. 15, Section 1

Vocab for 15.1 Biology

TermDefinition
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
Adaptation The process of becoming adjusted to an environment; an anatomical, physiological, or behavioral trait that improves an organism’s ability to survive and reproduce
Fitness In evolutionary theory, a measure of an individual’s hereditary contribution to the next generation
Created by: CareGraceR
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