LT Quiz Phylogenetic Trees
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Last updated 11:34 PM on 4/21/25
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5 Terms
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What does a phylogenetic tree represent?
represents a hypothesis about evolutionary relationships
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What does each branch point represent?
the divergence of two evolutionary lineages from a common ancestor
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What are sister taxa?
are groups that share an immediate common ancestor that is not shared by any other group
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What is the outgroup?
a species or group of species that is closely related to the ingroup, the various species being studied, and the group that has diverged before the ingroup.
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What do systematists compare?
each ingroup species with the outgroup to differentiate between shared derived and shared ancestral characters.
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