Textbook Problem

Which of the following pairs of structures are homoplastic?

a. the wing skeleton of a bird and the wing skeleton of a bat

b. thewingofabirdandthewingofafly

c. theeyeofafishandtheeyeofahuman

d. the bones in the foot of a duck and the bones in the foot of a chicken

e. the toes on the foot of a lizard and the toes on the foot of a human