Across
- 1. where an organism lives
- 5. consumers that eat plants
- 7. a single organism of a species
- 11. complex system of food chains
- 13. an organism that breeds and produces fertile offspring
- 16. consumes that eat both plants and meat
- 17. organisms that can make their own food
- 18. community of organisms and their interactions with their environment
- 19. organisms that depend on other organisms for food and oxygen
- 21. living parts of an environment
- 22. organic matter used as a fuel, especially in a power station for the generation of electricity
Down
- 2. non-living, physical part of an environment
- 3. all the populations in one area
- 4. when two organisms fight for resources
- 6. the study of organisms and their environment
- 8. the role an organism plays in an ecosystem
- 9. a group of the same species
- 10. transfer of energy when one organism eats another
- 12. all of the populations of Earth
- 14. abiotic and biotic factors affecting an organism
- 15. organisms that eat meat
- 20. an area classified according to the species that live in that location