DEBio 20 Vocab Flashcards

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analogy

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characteristic that is similar between organisms by convergent evolution, not due to the same evolutionary path

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convergent evolution

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evolution toward similar characteristics in unrelated species

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divergent evolution

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groups from the same common ancestor evolve and accumulate differences, resulting in the formation of new species

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binomial nomenclature

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system of two-part scientific names for an organism, which includes genus and species names

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branch point

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node on a phylogenetic tree where a single lineage splits into new ones

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cladistics

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classification based on common ancestry

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taxonomy

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classification based on similarities

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homology

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similarity in characteristics resulting from a shared ancestry

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horizontal gene transfer

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transfer of genes between unrelated species

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molecular systematics

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technique using molecular evidence to identify phylogenetic relationships