18. These animals both live on land and water, have moist skin, and lay eggs. *

1 point

A. Reptiles

B. Amphibians

C. Fishes

D. Birds

19. Warm-blooded animals have body temperature that stays the same. They can adapt in a hot or cold environment. Which of these animals are warm-blooded? *

1 point

A. mammals and birds

B. amphibians and mammals

C. birds and reptiles

D. fishes and amphibians

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