Science Misconceptions on Animals

Dear 3D,

These are some of the misconceptions that some of you may have.
Go through the list of misconceptions shown below and try to reason out why these statements are wrong. When you reason out, ALWAYS relate it  to the characteristics of the 6 groups of animals that you have learnt.

1. Penguin is a mammal. Penguin is not a bird. Penguin is covered with hair or fur.

2. Amphibians have moist skin with scales.

3. All insects have wings.

4. Bat is a bird.

5. Shark is not a fish. Shark is an amphibian.

6. A dolphin is a fish.

7. All birds can fly.

8. A whale is a fish.

9. A spider is an insect.

10. A turtle is an amphibian.

11. All fish lay eggs.

12. All reptiles lay eggs.

13. A mudskipper is an amphibian.

14. All mammals give birth to young alive.

15. Human beings are not mammals.