Across
- 3. process by which plants make food
- 4. taking in oxygen and expelling carbon dioxide
- 6. transporting of oxygen and food
- 9. getting energy from outside the body
Down
- 1. make their own food
- 2. Removal of by products
- 5. cannot make their own food
- 7. have cilia
- 8. have finger like projections called pseudopodia