ecology

3. an area classified according to the species that live in that location
5. measures how sustainable an individual or group of people are living in their environment
9. a non-living part of an ecosystem that shapes its environment
10. the study of organisms, the environment and how the organisms interact with each other and their environment
12. a detailed interconnecting diagram that shows the overall food relationships between organisms in a particular environment
13. an organism capable of making its own food by photosynthesis or by chemosynthesis
15. any of several living arrangements between members of two different species, including mutualism, commensalism, and parasitism
17. a type of natural resource that can be replenished or takes a rather short period of time for nature to produce to sustain
19. the sum total mass of living organisms such as plants, animals, in a specific unit of area or volume of habitat
20. an organism that helps hold the ecosystem together
24. the ecological interaction between two or more species where each species has a net benefit
25. the increasing concentration of a substance, such as a toxic chemical, in the tissues of organisms at successively higher levels in a food chain

1. the movement to a location
2. happens when a climax community or intermediate community is impacted by a disturbance
4. resources whose stock or reserves is limited or fixed.
6. organisms that make their own food
7. the colonization of new sites by communities of organisms
8. living parts of an ecosystem
11. an organism that cannot produce its own food and must eat other plants and/or animals to get energy
14. an organism that eats other plants or animals for energy and nutrients
16. a type of relationship between two living organisms in which one organism benefits from the other without harming it
18. a model that shows the flow of energy from one trophic, or feeding, level to the next in an ecosystem
21. a relationship between the two living species in which one organism is benefitted at the expense of the other
22. the movement away from a location
23. a level or a position in a food chain, a food web, or an ecological pyramid