12 terms

Evolution One

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Terms in this set (...)

adaptation
Characteristic that increases chance for survival and reproduction
competition
interaction between species using the same limited resources (ex-food, space)
evolution
changes in species through time
extinct/extinction
when the last member of a species dies without any surviving offspring
fossil
imprint/impression left by an organism that lived in the past
law of superposition
in the order of sedimentary rock layers, the youngest layer is at the top (closest to surface) and the oldest is at the bottom
mutation
change in DNA of a gene that leads to a different trait
natural selection
process where certain traits give an individual a better chance for survival to pass on traits, which increases the population
species
group of organisms with similar characteristics that can successfully reproduce
stratigraphic column
diagram representing a series of rock layers
trait
specific characteristic that varies from one individual to another
variation
differences in individuals of the same species

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