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10 Cards in this Set
- Front
- Back
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what is biogeography?
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the study of past and present distribution of species
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what is the fossil record?
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the chronicle of evolution over millions of years of geolgic time engraved in order in which fossils appear in rock strata
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what is comparative anatomy?
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the investigation and comparison of structures in different animals
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what is a homologous structure?
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structures in different species that are similar because of common ancestry
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what is a vestigial structure?
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a structure of marginal, if any, importance to an organism. they are historical remnants of structures that had important functions in ancestors
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what is comparative embryology?
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A branch of embryology that deals with the similarities and differences in the development of animals or plants of different orders.
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what is molecular biology?
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The branch of biology that deals with the manipulation of DNA so that it can be sequenced or mutated. If mutated, the DNA is often inserted into the genome of an organism to study the biological effects of the mutation.
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what is allopatric speciation?
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Occurring in separate, nonoverlapping geographic areas. Often used of populations of related organisms unable to crossbreed because of geographic separation.
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what is sympatric speciation?
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Speciation that occurs without geographic isolation of a population.
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who was stephen jay gould?
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formed the newest theory of evolution, based mainly off of darwin's theory. stating that a population is not always evolving
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