Ecosystem Vocabulary

3. A symbiotic relationship between two organisms of different species in which both individuals benefit from the activity of the other
6. The relationship between a predator and its prey.
7. An individual animal, plant, or single-celled life form.
8. Non-living physical and chemical elements of an environment.
10. A group of organisms of the same species, that live in a particular geographical area, and have the capability of interbreeding.
14. A symbiotic relationship between two organisms of different species in which one derives some benefit while the other is unaffected.
17. An organism that hunts a smaller, weaker organism
18. Associated with or derived from living organisms
19. A biological community of interacting organisms and their physical environment
20. The function or position of a species within an ecological community

1. A non-mutual symbiotic relationship between species, where one species, the parasite, benefits at the expense of the other, the host
2. A group of organisms living near one another who interact socially.
4. Any alteration in the structure or function of an organism that results from natural selection. The adaptations help the organism to become better fitted to survive and multiply in its environment.
5. The natural home or environment of an organism.
9. An interaction between organisms or species in which the health and fitness of one is lowered by the presence of another.
11. An organism hunted for food.
12. A major ecological community, extending over a large area and usually characterized by a dominant vegetation
13. A study in biology that deals with the relations of organisms to one another and to their physical surroundings.
15. A relationship between two dissimilar organisms.
16. Organisms that can interbreed by nature, producing fertile offspring.