Intro to Ecology/Aubrey

2. a collection of all living organisms that live in a particular place
4. a group of living organisms consisting of similar individuals
6. A system of interlocking and interdependent food chains
8. a graphical representation showing the relationship between different organisms in an ecosystem
10. describes how energy and nutrients move through an ecosystem
13. a level or a position in a food chain, a food web, or an ecological pyramid
15. an organism that decomposes organic material
18. the study of the relationships between living organisms, including humans, and their physical environment
19. The total quantity or weight of organisms in a given area or volume.
21. the process by which food is made by bacteria or other living things using chemicals
22. an organism that can produce its own food
23. the ecological term for an organism that creates its own food

1. an animal that eats plants
3. an animal which feeds on dead organic material,
5. an organism that eats other plants or animals for energy
7. contains the combined portions of the planet
9. an animal that eats meat
11. organisms that cannot produce their own food and must eat other plants or animals to obtain energy
12. the process where plants make their own food
14. an animal or person that eats both plants and animals
16. assemblages of different populations that live together in a defined area
17. groups of individuals that belong to the same species
20. a group of ecosystems that have the same climate