Across
- 1. Animal that is killed and eaten by other animals
- 2. An organism that feed on other organisms or organic matter because it cannot make its own food
- 3. A combination of all the food chains in a community
- 7. The repeated movement of carbon through the environment in different forms
- 9. Part of an environment that is not alive and never have been alive
- 10. Any living thing
- 11. Everything that surround an organism and influences it
- 13. Organism that a parasite lives in or on
- 14. Concentration of dissolved salt and water
- 19. A place that provides all the things an organism needs to live
- 25. Organism that lives in or on another organism and gets its food from it
- 26. The repeated movement of nitrogen through the environment in different forms
- 27. All the populations living in one area
- 29. Living on land/land based ecosystems
Down
- 1. Animal that kills and eats other animals
- 4. Part of an environment that is alive or was alive at one time
- 5. Organisms that are so small that you need a microscope to observed them
- 6. The process by which green plants and blue green algae, in the present of light makes food out of carbon dioxide and water
- 8. Factors which prevent a community, population or organism from growing larger
- 12. The path of energy and matter in a community
- 15. Living in water/water based ecosystems
- 16. All the living things and nonliving things in an area and interactions
- 17. The processed by which an organism takes in and processes oxygen and release carbon dioxide
- 18. Organisms that feeds on and break down organisms
- 20. A plant eating animal
- 21. An animal that eats both meat and plants
- 22. A meat eating animal
- 23. The struggle of organisms for the same limited resources
- 24. A group of organisms of one species that live in an area at the same time
- 28. An organism that makes its own food through the process of photosynthesis