The feathers of a bird and the scales of a fish are homologous because they correspond in structure, position, and origin.
(The feathers of a bird and the scales of a fish; are; homologous; because they correspond in structure, position, and origin) (they; correspond; L:in structure, position, and origin)
The feathers of a bird and the scales of a fish they
are correspond
homologous because they correspond in structure, position, and origin
L:in structure, position, and origin