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The process by which a living organism takes energy from its surroundings and uses it to sustain itself, develop, and grow


The process by which an organism uses the energy from the sun the produce its own food


Organisms that are able to produce their own food


Organisms that cannot make their own food and must obtain it from other organisms


The process by which food is converted into useable energy for life functions


The tendency of living organisms to control or regulate changes in their internal environment


The movement of moleclues from an area of high concentration to an area of low concentration


The diffusion of water across a selectively permeable membrane


An organism that allows its internal concentration of salts to change in order to match the external concentration of salts in the surrounding water


An organism that regulates its internal concentration of salts


An organism whose body temperature changes with its surrounding environment


An organism whose body temperature is controlled by its surrounding environment


An animal that mantains a controlled internal body temperature using its own heating and cooling mechanisms


An organism whose internal body temperature is a result of internal sources of heat

Asexual reproduction

Reproduction accomplished by a single organism

Sexual reproduction

Reproduction that involves the union of gametes from two organisms: a male and a female

Binomial nomenclature

Identifying an organism by its genus and species name

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