Question

tell whether each sentence is true or false.

1. all birds have feathers.
2. all mammals have hair or fur.
3. reptiles are warm - blooded.
4. all birds can fly.
5. all birds have a beak or bill.
6. all birds have 2 feet.

Explanation:

• 16. Feathers are a defining characteristic of birds.
• 17. Hair or fur is a key trait of mammals.
• 18. Reptiles are cold - blooded.
• 19. Some birds like ostriches cannot fly.
• 20. A beak or bill is a universal feature of birds.
• 21. Birds have two feet as part of their anatomy.

Answer:

1. True
2. True
3. False
4. False
5. True
6. True