Mastering biology Chapter 1 and 37

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19 terms · For the final

Homeostasis

Maintaining a stable environment

Metabolism

The sum of chemical processes that occur within a living oragnisms to maintain life

biotic

living part of the ecosystem

abiotic

nonliving part of the ecosystem

organism

an individual plant, animal, or single celled life form

population

the inhabitants of a particular area

community

a group of organisms living in a particular area

ecosystem

a system that includes the biotic and abiotic factors functioning together.

food chain

The directional flow of energy in an ecosystem from one organism to another.

food web

Many food chains linked together

trophic level

step in dynamics of energy flow in an ecosystem.

decomposer

recycles nutrients by feeding on dead organisms.

independent variable

part of the experiment that the researcher controls

dependent variable

part of the experiment being measured

control

part of the experiment that stays the same

primary consumer

consumes the producer

secondary consumer

consumers the primary consumer

tertiary consumer

consumers the secondary consumer

variable

part of the experiment that changes

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