The Ecosystem

7. An organism deriving its nutritional requirements from complex organic substances
12. An organism that is able to form nutritional organic substances from simple inorganic substances
13. A non-living thing
14. Seriously at risk of extinction
15. An organism that makes their own food from their non-living environment
16. Animals and plants living together is an
17. An animal that feeds on plants
19. A class of individuals having some common characteristics or qualities

1. Species, family, or other larger group having no living members
2. An individual animal, plant, or single-celled life form
3. A person or animal that eats or used something
4. The home or environment of an animal, plant or other organism
5. The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water
6. A living thing
8. A community of interacting organisms and their environment
9. All the inhabitants of a particular area
10. An animal that feeds on flesh
11. An animal that naturally preys on others
18. An animal tart eats food of both plant and flesh
20. An animal that is hunted and killed by another for food