Which of the following pairs is the best example of homologous structures?
A) eyelessness in the Australian mole and eyelessness in the North American mole
B) wings on an owl and wings on a hornet
C) the shape of the dorsal fin in dolphins and the shape of the dorsal fin in sharks
D) bones in the bat wing and bones in the human forelimb

Question

Quizplus · Accepted Answer

Homologous structures are anatomical features in different species that originated by heredity from a structure in the most recent common ancestor of the species. The bones in the bat wing and the bones in the human forelimb are examples of homologous structures because they share a common ancestral structure, even though they have evolved for different functions (flight in bats and manipulation in humans).

Which of the Following Pairs Is the Best Example of Homologous