Max Bickford (Science)

2. {a large naturally occurring community of flora and fauna occupying a major habitat}
5. {the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes}
7. density {the number of individuals living within a specific geographic area}
8. {a group of people living in the same place or having a particular characteristic in common}
9. capacity {the maximum number of individuals of a species that an environment can support}
12. {the role or position an organism has in its environment, including how it gets food and interacts with others}
14. factor {the non-living physical and chemical components of an ecosystem that affect living organisms and the functioning of the environment}
16. dependent limiting factor {factors that affect population growth differently depending on population density}
19. chain {a sequence of organisms in which each is eaten by the next member in the chain}
20. {all the inhabitants of a particular town, area, or country}

1. independent limiting factor {an environmental force that affects population size regardless of density}
3. {the process by which green plants use sunlight to make food from carbon dioxide and water}
4. {an organism that makes its own food, usually through photosynthesis}
6. {a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding}
10. {the chemical processes that occur within a living organism in order to maintain life}
11. factor {any living component of an ecosystem that affects or shapes its environment and the organisms within it}
13. {a biological community of interacting organisms and their physical environment}
15. factor {anything that constrains a population's size and slows or stops it from growing}
17. {the branch of biology that deals with the relations of organisms to one another and to their physical surroundings}
18. {the natural home or environment of an animal, plant, or other organism}