1. Which of these animals is a mammal?
a. Ape b. Chicken c. Parrot d. Ostrich
2. Which class of animal has skin with fur or hair, feeds their young with milk and maintains a constant body temperature?
a. mammals b. amphibians c. fish d. reptiles
3. Which class of animal has skin with feathers, lays eggs with a hard shell, has a beak and maintains a constant body temperature?
a. mammals b. amphibians c. birds d. reptiles
4. To which group do chicken and ducks belong?
a. fish b. reptiles c. birds d. amphibians
5. My body is moist and smooth, I lay eggs, and live in or near the water. What am I? a. mammals b. amphibians c. fish d. reptiles

6. This group of animal is found only in water, has a changing body temperature, skin with scales, breathes through gills and lays eggs without a shell.
a. mammals b. amphibians c. fish d. reptiles

7. Which of the following vertebrates are warm blooded?
a. fish and reptiles c birds and mammals
b. amphibians and reptiles d. amphibians and mammals
8. Which statement best describes the characteristics of fishes?
a. They live on land and in water.
b. They live in water and they have scales, fins and gills.
c. Their bodies are covered with dry scales and they crawl.
d. Their bodies have feathers and wings to keep them warm.
9. Why do whales belong to the group of mammals?
a. Whales have moist skin for breathing.
b. Whales have lungs and mammary glands.
c. Whales have feathers and wings for flying.
d. Whales have gills and fins for swimming.
10. Snakes, turtles and lizards belong to reptiles because they have dry scales and they lay eggs from which their offspring are hatched. Does a dog belong to this group? a. Yes, Dogs belong to this group?
b. No, because it has hair or fur and mammary glands.
c. Yes, because it has dry scales, it laid eggs and crawl.
d. Yes, because it breathe through their lungs and crawl.