1. Phylogeny is the evolutionary history of a species or group of species.
2. Convergent evolution can produce similarities in body form when similar environments and natural selection have favored similar adaptations.
Drag the terms on the left to the appropriate blanks on the right to complete the sentences. Not all terms will be used.
shared ancestral characters
shared derived characters
1. __________ is the evolutionary history of a species or group of species.
2. __________ can produce similarities in body form when similar environments and natural selection have favored similar adaptations.
3. Distinguishing between homology, which reflects common ancestry, and __________, which does not, is critical in determining evolutionary relationships.
4. A(n) __________ is a group of species that includes an ancestral species and all of its descendants.
5. __________ distinguish clades and thus branch points in the tree of life.
6. The use of DNA and other molecules to determine evolutionary relationships is called __________.
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