Across
- 4. eats dead plants and animals
- 6. steps to show producer to consumer
- 7. eats only animals
- 8. group of organisms, interbreed, produce offspring
- 11. step in ecological pyramid
- 13. all ecosystems and biomes
- 15. one organism feeds on another
- 17. breaks down matter
- 18. nonliving factors
Down
- 1. eats only plants
- 2. living factors
- 3. total amount of living tissue in a tropic level
- 5. all organisms that live in an area& their nonliving environment
- 7. one benefits, one ok
- 9. all food chains in an ecosystem
- 10. diagram of trophic levels
- 12. home of organisms
- 14. eats both plants and animals
- 15. one benefits, ones harmed
- 16. both benefit