Across
- 2. collections of all the organism that live in a particular place
- 4. group of organisms simmilar to one another
- 6. the feeding relationships of all animals
- 8. a digram
- 10. the model that shows the transfer of energy from one animal to another
- 13. the level in a food chain
- 15. break down dead material
- 18. the study of the relationships between living organisms
- 19. a renewable energy that comes from plants and animals
- 21. the process food is made by bacteria
- 22. producer
- 23. autotroph
Down
- 1. eat only plants
- 3. feeds off of dead organic material
- 5. consumer
- 7. combined portions of the planet
- 9. eat only meat
- 11. heterotroph
- 12. a system plants go through to make food
- 14. eat meat and plants
- 16. different populations that live together
- 17. groups of individuals that belong to the same species
- 20. type of area they live in