Across
- 3. the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water
- 6. non-living component of an ecosystem
- 7. A single living organism
- 10. two individuals compete for the same resource
- 11. respiration The process of converting glucose into a form of energy that is usable by cells.
- 13. chain A food chain is a linear network of links starting from producer organisms and ending at an apex predator species, or decomposer species.
- 15. one individual lives on or feeds on a host organism
- 17. dead organic substances are broken down into simpler organic or inorganic matter
- 19. A living thing made up of 1+ cells
- 20. two individuals benefiting from eachother
- 21. species Species that helps maintain an ecosystem, without it, the ecosystem changes
- 22. web a system of interlocking and interdependent food chains
Down
- 1. The variety of life in an ecosystem
- 2. an organism that creates organic compounds from simple substances such as water and carbon dioxide
- 4. level Level in a food chain
- 5. All the living organisms in an area that interact
- 8. Living component of an ecosystem
- 9. one individual feeds on another
- 10. Cycle Cycle that makes up carbohydrates, nucleic acids, and lipids
- 12. one individual benefits and the other neither benefits or is harmed
- 14. cascade (top down control) Predators keep prey populatiosn in check by eating them when the population increases too much
- 16. cycle the series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition.
- 18. a group of organisms in a given area that interbreeds