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Definition
| imprints/remnants of organsisms that lifed in the past |
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| scientist that studies fossils |
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| ordered array in which fossils appear within layres of sedimentary rock (strata) |
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evidence supporting evolution bigeography |
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Definition
geographic distribution of species - only applicable in historical aspect of evolution
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evidence supporting evolution comparative anatomy |
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Definition
comparison of body parts in different species - shows signs of common ancestor
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evidence supporting evolution homologous structure |
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Definition
| structural similarities in different organisms |
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evidence supporting evolution comparative embryology |
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Definition
study of structes that appear during embryonic development of different organisms - pharyngal slits indicate that all vertebrates share a common ancestor
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evidence supporting evolution molecular biology |
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Definition
study of molecular basis of genes and gene expression - related species have more simlar DNA than non-related species
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Definition
similarity between different species due to their evolutino from a common ancestor |
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| differential success in reproduction |
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vocab artificial selection |
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Definition
| selective breeding of domestic plants and animals |
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Definition
| group of individuals of the same species living in the same place at the same time |
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vocab population genetics |
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| science of genetic changes in population |
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Definition
theory that focuses on populations as the units of evolution - melds population genetics with modern theory of natural selection
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Definition
a group of populations whose individualshave thepotential to interbreed adn produce fertile offspring - distributed over geographic range with individuals concentrated in localized populations
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Definition
| total collection of genes in a population at any one time |
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