1. What do all vertebrates have in common? + Give the different groups

2. Explain with a drawing warm- and cold blooded

3. Which vertebrates are cold blooded? Which are warm-blooded?

4. Give 5 characteristics of mammals

5. a. Why do whales and dolphins have to come to the surface?
b. Why don't marine mammals have ears?

6. Why have birds different types of beaks? Draw 4 types of beaks and their type of food.

7. Show the life cycle of a frog with drawings.

8. Why do fish have gills? Locate them on a fish's body

9. What kind of skin do reptiles have? Draw the skin of a snake

10. To which group of vertebrates does the animal in the puzzle belong to?


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