homology: Quick Facts

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Photos

Diagram comparing the forelimb bone structures of a human, horse, dolphin, box turtle, fruit bat, and chicken, with color-coded bones showing homologous parts to illustrate evolutionary relationships.

Diagram comparing analogous structures by showing a horse leg next to an ant leg, a dolphin flipper next to a fish fin, and a chicken wing next to a cicada wing, highlighting similar functions despite different evolutionary origins.

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Topics

serial homology evolution analogy human evolution Lamarckism What Darwin Got Right (and Wrong) About Evolution last universal common ancestor Ordovician radiation adaptation extinction coevolution inclusive fitness

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