Ecosystem Key Words
Across
- 2. the total amount that an ecosystem can hold or carry
- 4. consisting of non-living things
- 5. the benefits that people obtain from ecosystems
- 6. a change in the number of members of a certain plant or animal species
- 8. a place where an organism makes its home.
- 10. long-term shifts in temperatures and weather patterns.
- 11. an area classified according to the species that live in that location
- 12. the ability to be maintained at a certain rate or level.
- 16. one organism benefits but the other is neither helped nor harmed.
- 19. low concentrations of salt as opposed to seawater
- 21. an organism that helps hold the system together
- 22. species that have a strong role in structuring a community
- 23. consists of all the food chains in a single ecosystem
- 24. one organism benefits and the other organism is harmed.
- 25. the position of an organism in the food chain
- 27. human activities, natural disasters, or invasive species.
- 29. the variety of life in the world or in a particular habitat or ecosystem.
- 30. Interactions in an ecosystem occur between organisms and themselves, and organisms and the environment.
- 31. the variations in the plant and animal species living together and connected by food chains and food webs.
Down
- 1. those that are found only on land
- 3. predator that exists at the very top of the food chain
- 7. when a new patch of land is created or exposed for the first time
- 9. anything that constrains a population's size and slows or stops it from growing.
- 13. the species that first colonize new habitats created by disturbance.
- 14. the number of species and abundance of each species that live in a particular location.
- 15. the ability of a system to continue functioning under changing conditions or during disturbances.
- 17. aquatic environments with high levels of dissolved salt
- 18. the biological variation that occurs within species.
- 20. both organisms benefit
- 26. sustain plant and animal life and regulate water flow
- 28. Consisting of living organisms