megasheet - homologous and analagous structures
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8 Terms
what are homologous structures?
originate from same material, but have different functions
what do homologous structures arise from?
divergent evolution
does homologous structures provide evidence for common ancestry?
yes - proves evolutionary relationships
what is an example of homologous structure?
human hand and bat wing - same bones, different function
what are analgous structures?
originate from different material, but have same functions
what do analagous structures arise from?
convergent evolution
does analagous structures provide evidence for common ancestry?
no - opposite of evolutionary relationships
what is an example of analagous structure?
bird wing and butterfly wing - different tissue, same function