In Studying Fossils, Biologists Found an Insect in a Layer

Multiple Choice

In studying fossils, biologists found an insect in a layer of clay, a flower in a layer of sand, a fish in a layer of mud, a reptile in a layer of clay, and a bird in a layer of rock. The insect probably lived at the same time as the

A) fish.
B) bird.
C) flower.
D) reptile.