Across
- 6. the level where animals are classified
- 8. consume complex organic substances
- 9. shows ancestry between species
- 10. eat only plants
- 13. eat other things to get food
- 15. both benefit
- 16. the overall environment of an ecosystem
- 17. living things
- 18. one benefits at expense of another
- 20. act of predator and prey relations
Down
- 1. eat only meat
- 2. all of the beings and factors of a place
- 3. eat both plants and animals
- 4. where a species live
- 5. shows the interconnecting of species and food
- 7. one benefit one is neutral
- 11. they decompose
- 12. make their food
- 14. make their own food
- 19. non living things