2. Carabao feed their young with milk, Carabao is included in the group of animals we call OS A. mammai B. bird C. replile D. amphibian 3. Dog, cow, and monkey are considered vertebrates. What is common among them aside from having backbone? A. They feed their young with milk. C. They are cold blooded animals B. They live in water. D. They have scales. 4. What is the major difference between vertebrates and invertebrates A. Vertebrates are always smaller than invertebrates. B. Vertebrates have backbone but invertebrates do noi. C. Invertebrates always live in the water, D. Vertebrates and invertebrates are the same. 5. Mammals, fish, reptiles, amphibians, and birds are all A. invertebrates B. vertebrates C. good pets D. insecis 6. Which of the following animals is an amphibiana A. chicken B.dog C. frog D. goose 7. Which of the following are the characteristics of a mammal? A. They have a scaly skin C. They have feathers and can fly. B. They have mammary glands D. They live in water and can swim freely.
