Ecology
Across
- 2. it makes its own food
- 3. living or once living or made by something that was alive
- 5. one species benefits, the other is harmed
- 6. provides the energy for most food chains
- 7. the variety of life on Earth
- 9. all the members of one species living in an area
- 12. all of the different populations living in one area, not including abiotic factors
- 13. being dependent on others for some needs
- 14. it recycles dead organisms and waste
- 15. one species benefits, the other is nether hurt nor harmed
- 17. eats plants
- 18. mix of sand, clay, and silt
- 19. an environmental factor that is not alive, never lived, and not part of something living
- 21. one living thing
- 22. eats dead animals
- 24. the larger particles allow it to drain quickly
Down
- 1. both species benefit from the relationship
- 4. all of the living and nonliving things that interact in an area
- 5. plants use water, sunlight, and carbon dioxide to make sugar and oxygen
- 8. made of weathered rock, minerals, humus, water, and air
- 10. how an ecosystem changes over time
- 11. eats both plants and animals
- 15. eats plants
- 16. a close relationship between species that benefits at least one of the species
- 20. tightly packed particles keep it from draining quickly
- 23. it must eat something to get energy