1. Mammals, fish, reptiles, amphibians and birds are all ______________. a. exotic b. invertebrates c. vertebrates d. pets
2. Cold-blooded animals that spend part of their lives in water and part on land. a. fishes b. reptiles c. amphibians d. mammals
3. What is the main difference between vertebrates and invertebrates? a. Vertebrates and invertebrates have no difference. b. Vertebrates are bigger in size than invertebrates. c. Vertebrates live on land while invertebrates live on water. d. Vertebrates have backbones while invertebrates do not have backbone.
4. Which of the following statements is not true about birds? a. All birds can fly. c. All birds are covered with feathers. b. All birds have wings. d. All birds are warm-blooded animals.
5. Some mammals lay eggs. Which among these mammals are egg-laying? a. carabao b. anteater c. goat d. cow​