Bio Unit 12a: JUST a Theory - Natural Selection
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8 Terms
Evolution
The gradual change in a species over time
Adaptation
inherited characteristic that increases an organism's chance of survival
Variation
Any difference between individuals of the same species.
Mutation
A change in a gene or chromosome.
differentiation survival & reproduction
more offspring will be produced than will survive; those that have the best traits will survive and reproduce
Speciation
the formation of new and distinct species in the course of evolution.
Extinction
typically describes a species that no longer has any known living individuals.
natural selection
A natural process resulting in the evolution of organisms best adapted to the environment.