Across
- 3. Energy steps in a food chain
- 8. Important species for ecosystem balance
- 9. Organisms that eat each other
- 10. Living things
- 12. Who eats who in nature
Down
- 1. Eating Food
- 2. Long lasting, eco friendly
- 4. Make their own food
- 5. Recycling nutrients in nature
- 6. Survival skills
- 7. Essential Substances for Growth
- 11. shows ecosystem health