Ecology

5. an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
9. an organism deriving its nutritional requirements from complex organic substances.
10. A group of food chains
11. A person that only eats animals
13. An organism that decomposes organic material
14. All nonliving things in an environment
17. A person that eats or uses or gets something
19. Any living thing
20. an animal or plant on or in which a parasite or commensal organism lives.
21. A person who eats plants and animals
22. The number of people/animals in a country or region

1. the regions of the surface, atmosphere, and hydrosphere of the earth
2. Someone that eats the prey naturally
3. The geographic area where living things interact with there environment
4. An animal that feeds on dead animals
6. the one that gets eaten by the predator
7. All living things in an environment that influence others
8. a person, company, or country that makes, grows, or supplies goods or commodities for sale.
10. Shows the animals and which one depends on the other
12. A group of people living in the same place or having something in common
15. each of several hierarchical levels in an ecosystem
16. The study of interactions between living organisms and their environment
18. the natural home or environment of an animal, plant, or other organism.
20. A person who only eats plants
22. The relationship between an organism and one that it feeds off to survive