Across
- 2. A gas that plant gives out during photosynthesis
- 3. Organisms that break down dead matter into simpler substance
- 5. Animals that eat other animals
- 7. Organisms that can make their own food
- 8. Form of sugar that plants produce
- 9. Source of food for plants
Down
- 1. Organism that eats others because they cannot make their own food
- 4. Animals that eat plants and animals
- 6. Animals that eat mainly plants
