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Biology-Ch10-Gullett

TermDefinition
evolution the process of change by which new species develop from preexisting species over time
species group of organisms closely related and can mate to produce fertile offspring.
fossil the trace remains of an organism that lived long ago
Variation differences in physical traits of an individual form a group to which it belongs
adaptation the process where advantageous traits spread throughout a population over many generations
acclimation the process by which a single organism makes temporary adjustments to a changing environment
artificial selection the human practice of breeding animals or plants to have certain desirable traits
natural selection the process by which individuals that have advantageous traits in their environment survive and reproduce more successfully than individuals without the advantageous trait
fitness measure of an organism's ability to produce offspring
biogeography the study of geographical distribution of living organisms and fossils on Earth
homologous structure body parts on different organisms with similar structure but different functions
analogous structure body parts on different organisms that have different structures but similar function
vestigial structure remnants of an organ or structure that functioned in an earlier ancestor but has no apparent function in living organism
Created by: lpgullett
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