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10 Cards in this Set
- Front
- Back
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Evolution
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descent with modification
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Speciation
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the creation of new species
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Allopatric Speciation
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occurs when some barrier separates two populations of a single species thus preventing migration between the populations
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Phylogeny
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a hypothesis about the evolutionary history of a group of organisms
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Phylogenetic Tree
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a graphical representation of the phylogeny--show which organisms are more closely related to each other and which share common ancestors
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Taxon
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each group of organisms arising from a branch of the phylogenetic tree
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Common Ancestor
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the organism that gave rise to both species
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Monophyletic
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any group that branches from a single branching point
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Sister Taxa
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groups that share a common ancestor
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Paraphyletic
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a group that is not monophyletic
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