Vocabulary:
Clade: a group of organisms that share a common ancestor
Cladistics: hierarchichal classification of organisms based on evolutionary ancestry
Phylogenic tree: "evolutionary tree" showing the relationships between organisms and their common ancestors
Homologous structure: a similar characteristic of organisms that comes from a common ancestor (results of a divergent evolution)
Vestigial structure: a homologous structure that has lost its functionality
Analogous structure: characteristics that serve a similar function but evolved separately
No comments:
Post a Comment