Across
- 3. Mammals regulate their body temperature and keep it constant. They are ____.
- 6. Mammals have this in common with dolphins, cats, and elephants.
- 7. Hush a bye baby! goes the nursery rhyme. Who gives birth to babies?
- 9. Mammals produce their babies by giving _______
- 10. It is quite cold here. What do I have on my body to keep me warm?
Down
- 1. Mammals give milk to their babies when they are hungry. Do you know which glands produce milk in mammals?
- 2. Summer season is here. Don't sweat! Your ___ will help you keep you cool.
- 4. This type of bear is known for its thick fur and fat layer that helps it survive in cold environments.
- 5. Unlike birds, reptiles, and some other animals, mammals do not lay __________.
- 8. Looking for polar bears? Which area will the travel agent suggest?