Across
- 3. making more of the same organism
- 5. the mass of an organism without water
- 8. is different from breathing
- 9. product of metabolism, toxic
Down
- 1. taking in material for energy
- 2. main source of energy for human body
- 4. removal from organisms of toxic wastes
- 6. the other name of a characteristic
- 7. permanent increase in size