Question

1. What is a fin?
2. What helps a bird to fly in air?
3. Name one single-celled animal​

Answer 1

Answer:

1) fin is a body part of a fish which helps them to maintain their position, in swimming and to stop.

2) bird's wings help them to fly, in order to turn while flying the use their tails, to stop they spread out their wings and stretches its feet.

3) Amoeba is a single celled animal

Answer 2

Answers:

1.) Skin of fish which are helpful in swimming.

2.) hollow bones,wings and feather help bird to fly.

3.) Amoeba is a single celled animal.