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4b
vocab
| Term | Definition |
|---|---|
| natural selection | variations in a population increase some individuals likelihood of surviving and reproducting in a change enviroment |
| speciation | separated populations that remain separated can evolve through mutations to become new species |
| homologous structures | same structure different fuction |
| analogous structers | different structure and same function |
| embryological structures | embryos of different structures to see if a common ancestor is shared |
| vestigial | has no fuction |