Phylogeny review

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10 Terms

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What is phylogeny

A visual depiction of how organisms are related, a sort of tree of life; we use DNA to build it

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Systematics

A way of organizing things

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Cladistics

A systematic way of organizing biodiversity using evolutionary relationships

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Cladogram

A diagram that depicts the relationships of cladistics

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Taxa/Taxon

A group of organism

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Sister Taxa

The closest Relatives to a group, Sister Taxa come from the same Node

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Monophyletic group

A common ancestor and all of its decedents; a group containing a common ancestor and ALL of its decendents

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Synapomorphy

A derived trait that is shared within a clade IE: trunks on an elephant

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Autapomorphy

A non-shared trait that is shared within a clade that defines that clade

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