Chapter 2 Vocab
Terms in this set (30)
Scientific study of interactions among organisms and between organisms and their environment
part of Earth in which life exists including land, water, and air or atmosphere
Any living part of the environment with which an organism might interact
Abiotic factors are the non-living parts of an organism's habitat.
A group of individuals that belong to the same species and live in the same area
A group of interacting populations that occupy the same geographic area at the same time
A biological community of interacting organisms and their physical environment.
A group of ecosystems that share similar climates and typical organisms
Place where an organism lives
An organism's particular role in an ecosystem, or how it makes its living.
An interaction in which one organism kills another for food.
A close relationship between two species that benefits at least one of the species.
A relationship between two species in which both species benefit
A relationship between two organisms in which one organism benefits and the other is unaffected
A relationship between two organisms of different species where one benefits and the other is harmed
An organism that makes its own food
An organism that cannot make its own food.
A consumer that eats only plants.
A consumer that eats only animals.
An animal that eats both plants and animals
organism that feeds on plant and animal remains and other dead matter
Each step in a food chain or food web
A series of steps in which organisms transfer energy by eating and being eaten
a system of interlocking and interdependent food chains.
total amount of living tissue within a given trophic level
Anything that has mass and takes up space
Compounds in food that the body requires for proper growth, maintenance, and functioning
The movements of matter within and between ecosystems
Process of converting nitrogen gas into ammonia
Conversion of nitrates into nitrogen gas
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