In the context of biology,
A description and examples of
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In biology, a homology is a characteristic shared by two species (or other taxa) ...
function in the species in which it occurs) are called
The pentadactyl limb. Tetrapods are the group of vertebrates with four legs. They occupy a wide variety of environments, and use their limbs for many differing ...
Finally, physical features with a common evolutionary origin, such as the wing of
bat and the hand of a human, are
Similarities and differences: understanding
Each leaf has a very different shape and function, yet all are