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Group of organisms resembling eachother
interbreed under natural condictions
Produce fertile offspring |
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| Evolutionary relations among organisms |
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| Classification of living organisms detrmine evolutionary relationships |
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-infers evolutionary relationships
-shared charcteristics morphology
-life style
-fossil evidience if possible molecular data
-sequences of proteins and genes |
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| descent from common ancestor |
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| similiar structures but not from common ancestor |
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bat wings
bird wings
insect wings
similiar scture and can be considered homologs |
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