Across
- 3. smaller(tightly packed) particles keep it from draining quickly
- 6. makes its own food
- 8. the variety of life (or species) on Earth
- 10. all of the living and nonliving things that interact in an area
- 12. eat both plants and meat
- 14. one species benefits, the other is neither helped nor harmed
- 15. an environmental factor that is not alive, never lived, and was not part of something living
- 17. made up of weathered rock, minerals, humus, water and air
- 18. how an ecosystem changes over time
- 20. must eat something for energy
- 21. larger particles allow it to drain quickly
- 22. mix of sand, clay and silt
Down
- 1. eats meat
- 2. one species benefits, the other is harmed in some way
- 3. all the different populations living in an are(no abiotic factors)
- 4. a close relationship between species that benefits at least one of the species
- 5. eats plants
- 7. being dependent on others for some needs, being mutually dependent on each other
- 9. recycles dead organisms and waste
- 11. both species benefit from the relationship
- 13. all the members of one species living in an area
- 16. living or once living (and now dead) or made by something that was alive
- 18. eats dead animals
- 19. one living thing
