Lab 1: Evolution, Taxonomy, and Phylogenetic Trees

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Last updated 5:45 PM on 10/9/26
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9 Terms

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Evolution

process by which populations change. driven by changes in allele frequency over time

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What are the five causes of evolution

  1. migration

  2. mutations

  3. population size changes

  4. non-random mating

  5. natural selection


3
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Biological species concept

species are a group of organisms that can interbreed and produce fertile offspring

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Speciation

one species forms two separate species following reproductive isolation

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Binomial nomenclature

genus always capitalized, species always lowercase (Homo sapiens)

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Parts of a phylogenetic tree

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Principle of Parsimony

Simplest explanation is the best explanation

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Synapomorphy

the shared derived character state of a clade

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What are the three domains of life?

bacteria, archaea, and eukarya