Across
- 3. Place where an organism or a biological population normally lives or occurs.
- 4. A person who uses goods or services
- 5. organisms that carry out photon capture to acquire energy
- 7. The variety of life in the world or in a particular habitat or ecosystem.
- 9. an organism, esp. a soil bacterium or fungus that decomposes organic material.
- 11. The weather in some location averaged over some long period of time; the prevailing psychological state
- 12. a number of things sharing a specified characteristic and following one after the other.
- 15. Native to or inhabiting the sea
- 17. Of or relating to non-living organisms
- 18. The different levels represent different groups of organisms that might compose a food chain.
- 20. A biological community of interacting organisms and their physical environment
- 21. The wide part of a river where it nears the sea; fresh and salt water mix
- 22. level each of several hierarchical levels in an ecosystem
- 23. not extreme in behavior
Down
- 1. Of or relating to living organisms
- 2. Any substance that can be metabolized by an organism to give energy and build tissue
- 3. Any animal that feeds chiefly on grass and other plants
- 5. hardy species which are the first to colonize previously damaged ecosystems
- 6. An organism that produces that something
- 8. An interacting group of various species in a common location.
- 10. a major biotic community characterized by the dominant forms of plant life and the prevailing climate
- 13. Any animal that feeds on flesh; a terrestrial or aquatic flesh-eating mammal
- 14. a flat grassland in tropical or subtropical regions
- 16. operating or living or growing on land
- 19. An animal that feeds on both animal and vegetable substances
- 23. the sometimes swampy coniferous forest of high northern latitudes,