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19 Cards in this Set
- Front
- Back
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exponential growth |
pattern of growth at a constant rate |
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carrying capacity |
largest number of individuals of a population an environment can support |
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fitness |
ability of organism to survive/reproduce in its environment |
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natural selection |
survival of the fittest |
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evolution |
modern organisms descend from ancient organisms |
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community |
different populations live in a defined area |
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ecosystem |
collections of all the organisms that live in a particular place, together with their non-living environment |
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mutation |
change in DNA sequences that affects genetic info |
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hox genes |
series of genes that controls differentiation of cells/tissues in embryo |
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homologous structures |
structures with different mature forms in different organisms, but developed from same embryonic tissues |
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fossil record |
info about past life, structures of organisms, what they ate, where they lived, etc. |
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gene pool |
combined genetic info of all members of particular population |
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speciation |
formation of a new species |
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species |
group of similar organisms that can breed and produce fertile offspring |
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reproductive isolation |
separation of species that can no longer breed |
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temporal isolation |
reproduce at different times |
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cladorgram |
diagram that shows the evolutionary relationships among organisms |
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genetic drift |
random change in allele frequencies that occurs in small populations |
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era |
one of several subdivisions of time between Precambrian and the present |
