Across
- 2. study of interactions between organisms and the environment
- 3. lands with water and above water plants
- 6. upper part of water with light penetration
- 7. species that originated or evolved in an area
- 9. nonliving parts of the environment
- 10. lower region of water with no light
- 11. small ecosystems or environmental conditions
- 14. nutrient rich, shallow and warm lake
- 15. distribution of species
- 16. daily conditions in the environment
- 17. large ecosystems with similar climates
- 18. living organisms
- 19. average weather conditions for a period of time
Down
- 1. lake with nutrients between poor and rich
- 4. accidentally or purposefully place in a new environment
- 5. shallows, most of organisms present
- 8. bottom of ocean
- 12. nutrient poor, very deep, very cold lake
- 13. temperature gradients or layers in a body of water