Ecology

4. an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
7. an association between two organisms in which one benefits and the other derives neither benefit nor harm.
8. understanding why certain populations are healthier than others and then using that information to find solutions to make people as healthy as possible
11. match of a species to a specific environmental condition
12. an organism that feeds mostly on plants
14. an animal that feeds on flesh.
17. the sequence of transfers of matter and energy in the form of food from organism to organism.
18. where one organism mutually benefits another organism
19. symbiosis that is beneficial to both organisms involved
20. a geographic area where plants, animals, and other organisms, as well as

1. a non-living part of an ecosystem that shapes its environment.
2. a group of people living in the same place or having a particular characteristic in common.
3. organism deriving its nutritional requirements from complex organic substances
5. any kind of green plant.
6. a living organism that shapes its environment.
9. an animal or person that eats food of both plant and animal origin.
10. organism that breaks down dead organic material
13. A food chain is a succession of organisms that eat other organisms and may, in turn, be eaten themselves
15. any organism that can't make its own food
16. natural home or environment of an animal, plant, or other organism