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Phylogenetics
Question | Answer |
---|---|
What is a Clade? | A group that contains an ancestor and all descendants |
What is a primitive characteristics? | A character which is relatively unchanged from its ancestral form |
What is a derived characteristics? | Traits which are heavily modified from ancestral forms |
What are homologous characteristics? | Characters which are similar because they were derived from a common ancestor |
What are analogous characteristics | Products of convergent evolution |
Give a axiom-typical example of analogous characters | birds and bats wings |
What is convergent evolution? | Where two distinct lineages evolve similar traits due to similar selection pressures |
What are vestigial characters? | Characters from an ancestor which no longer have a function |
Give an example of vestigial character in humans | Appendix |