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15 terms

Unit 7 Evolution

Mr. Lowrey's Evolution Flashcards
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Evolution
change in a kind of organism over time; process by which modern organisms have descended from ancient organisms
coevolution
process by which two species evolve in response to changes in each other
biogenesis
the production of living organisms from other living organisms
abiogenesis
a hypothetical organic phenomenon by which living organisms are created from nonliving matter
natural selection
a natural process resulting in the evolution of organisms best adapted to the environment
fossil
The preserved remains or traces of an organism that lived in the past
geographic isolation
separation of populations as a result of geographic change or migration to geographically isolated places
adaptation
inherited characteristic that increases an organism's chance of survival
mimicry
the resemblance of an animal species to another species or to natural objects
homologous structure
similar structure found in more than one species that share a common ancestor
cladogram
Diagram that shows the evolutionary relationships among a group of organisms
phylum
(biology) the major taxonomic group of animals and plants
artificial selection
selection by humans for breeding of useful traits from the natural variation among different organisms
kingdom
First and largest category used to classify organisms
species
group of similar organisms that can breed and produce fertile offspring