4 10-Animals and their Young Ones: Worksheet-10.2 Name: A. Answer the following questions: 1. Describe an egg. 2. Where and how do frogs lay eggs? 3. Compare a frog and a tadpole. 4. Why do only a few fishes survive? 5. Name two mammals that lay eggs. 6. Where do reptiles lay their eggs? 7. What is incubation? Date: 4 8. Explain the life cycle of a butterfly with diagrams. 9. Name the biggest mammal on earth. 10. Why some animals are called mammals? B. Choose the correct answer. 1. The young one of a frog is called a) child b) tadpole c) calf d) cub 2. The hard outer covering of an egg is called the a) eggshell b) yolk c) albumen d) egg c) bird d) reptils 3. Crocodile lays eggs so crocodile is a /an a) insect b) mammal 4. Birds warm the eggs by sitting on them. This is called a) reproduction b) adaptation c) incubation d) respiration 5. Animals that feed their own milk to their young ones are called a) birds b) mammals c) reptiles d) insects 4 C. Give examples. 1. Animals that show parenting behaviour. 2. Animals that give birth to young ones. 3. Mammals that lay eggs. 4. Insect that exhibits metamorphosis. 5. Animals that incubate their eggs. Grade: Teacher’s signature: _____________________
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