1. Which of the following is true about vertebrates?
A. They all have feathers
B They all have a backbone
C. They are all mammals
D. They all take care of their babies
2. Which of the following is NOT a vertebrate animal group?
A. Amphibians
B. Insects
D. Reptiles
C. Mammals
3. Why are fishes classified as vertebrates?
A. They can live in water only.
B. They have scales.
C. They have a backbone,
D. All of the above
4. Whích animal does not belong to the group?
A. dog
B. cat
C. starfish
D. fish
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