Select the correct answer.
A blologist discovered a young, four-legged animal. The animal had lungs, seemed to fertilize internally, and Its outer surface was covered with
scales. In which class of animals is the biologist likely to place the animal?
A
fish
B. mammals
C. amphibian
D. reptile

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time