Across
- 9. organism's ability to live in unfavorable conditions
- 10. factor from something nonliving
- 11. break down matter
- 15. are made up from same species
- 17. uses light for power in chemical reaction
- 19. relationship between 2 close living organisms
- 20. produce their own food
- 23. necessity of life
- 24. assembling of populations
- 27. feed on dead matter
- 30. average yearly condition of temp./precipitation
Down
- 1. zone that is hot year round
- 2. eat both plants and animals
- 3. tundra soil that is always frozen
- 4. eat other organisms
- 5. factor from an organism
- 6. small differing climate from surrounding climate
- 7. organisms purpose
- 8. condition of atmosphere at a certain time/place
- 12. decaying leaves and other organic matter on forest floor
- 13. interaction when one organism feeds on another
- 14. only eat animals
- 16. uses chemicals for carbohydrates
- 18. zone that has seasons
- 21. zone where it is always cold
- 22. level in food web or chain
- 25. only eat plants
- 26. portions of earth where life exists
- 28. study of interactions among organisms
- 29. groups of similar ecosystems