Lecture 2, Vert Life 0.0 / 5 ? BiologyBiology UniversityNone Created by: Elysia_DaviesCreated on: 12-12-16 10:56 Anagenesis Evolution within a lineage - linear gradual 1 of 12 Cladogenesis evolution resulting in the splitting of a lineage 2 of 12 Sympatry formation of new species within an area by adapting to different niches, occurs only by natural selection 3 of 12 Allopatry formation of new species by geographical separation, by drift or adaptation 4 of 12 monophyletic group natural group, includes all descendants of the common ancestor of the group 5 of 12 Paraphyletic group unnatural group, doesnt include all descendants of the most recent common ancestor of the group 6 of 12 Polyphyletic group unnatural group, two or more distantly related taxa perhaps share a convergent character 7 of 12 Homplasy character shared by two or more taxa because of convergent/parellel evolution 8 of 12 Homology character shared and inherited from a common ancestor 9 of 12 Synapomorphy Shared derived character 10 of 12 Autopomorphy unique character 11 of 12 Symplesiomorphy shared ancestral character 12 of 12
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