Across
- 2. Shape of the Earth causing unequal heat distribution
- 8. Depth where photosynthesis can occur
- 12. Submerged in sea water at high tide, but not during low tide
- 14. Earth's terrestrial ecosystems classified by climate,biotic,and abiotic factors
- 15. Final stage of ecological succession
- 18. First species to colonize barren areas
- 19. Depth where photosynthesis can not occur
Down
- 1. Range of conditions an organism lives in and what it needs to survive and reproduce
- 3. General place an organism lives
- 4. Any necessity of life, like water, food, and shelter
- 5. Area of rocks and sediment at bottom of lakes, streams, and oceans
- 6. Day to day atmospheric conditions
- 7. water completely covers nutrient rich soil
- 9. Edge on continental shelf extending outwards
- 10. Environmental conditions that vary over small distances
- 11. changes that occur in a community without pre-existing r
- 13. From low tide mark to outer edge of continental shelf
- 16. where freshwater from rivers meets saltwater from the sea
- 17. Caused by rising heat, sinking cool air, and Earth's rotation