Across
- 4. the organisms that produce food
- 6. all food chains in an ecosystem
- 7. Meat and Plants
- 8. A living organisms home
- 9. the level that an organism is on in the food chain
- 10. Where all life lives
- 12. the organisms that consume food
- 14. process where plant gains energy from the sun
- 16. The amount of living things in an area
- 17. eats the secondary consumer
- 18. every organism benefits
- 20. the gateway for energy to enter the food chain or food web
- 21. Study of Ecosystems
- 22. exchange of gases
- 23. a symbiotic relationship
Down
- 1. Not Living
- 2. breaks down dead matter
- 3. Plants
- 5. a relationship where one benefits at another's expense
- 6. a line apart of the food web
- 11. Where life interacts and lives
- 13. the consumer of the primary
- 15. Meat
- 19. Living