Question

What evolutionary phenomenon is illustrated by degenerated eyes in burrowing animals?

Options

• Loss of original function in a changed environment

• Complete absence of ancestral inheritance

• Conversion of ocular tissues into digestive glands

• Acquisition of novel photoreceptors in light-rich environments

Answer 1

Degenerated eyes in some burrowing animals illustrate the reduction and loss of an organ's original function when the organism adapts to a subterranean, dark environment.