E. Give one word for following: 1. The basic structural and functional unit of life2. The structures that enable a fish to breathe3. The period for which a living organism lives4. Removal of waste products from body

E. Give one word for following: 1. The basic structural and function

1.	E. Give one word for following: 1. The basic structural and functional unit of life2. The structures that enable a fish to breathe3. The period for which a living organism lives4. Removal of waste products from body
Answer» 2. gills3. LIFE span4. EXCREATION.