Across
- 4. the process by which animals and plants create new offspring
- 5. the increase in mass and size of a body
- 6. the act of changing position
- 7. nourishing substance taken in by an organism and required for growth and repair.
Down
- 1. how animals and plants rid themselves of waste products
- 2. oxygen enters the body ad is used with sugar to release energy
- 3. the ability an organism has to respond to its surroundings