Which of the following statements is not a characteristic of amphibians?
a. they are the ancestors of reptiles
c. the adult form usually has legs
b. the larva and the adult form are similar
d. they are the first animals to adapt to life on land

Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians? a. a b. e c. f d. g