Question

E. Give one word for following:
1. The basic structural and functional unit of life
2. The structures that enable a fish to breathe
3. The period for which a living organism lives
4. Removal of waste products from body​

Answer 1

1. cell

2. gills

3. life span

4. excreation.

Answer 2

Answer:

1. Cell

2.Fish gills

3.lifespan

4.The urinary system.