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any of a group of green pigments found in photosynthetic organisms


how plants use the sun's energy to make its own food.


organisms that make their own food


an organism that obtains energy and nutrients by feeding on other organisms or their remains.


animals that kill and eat other animals


an organism that feeds on the dead bodies of other organisms.

food web

(ecology) a community of organisms where there are several interrelated food chains

food chain

(ecology) a community of organisms where each member is eaten in turn by another member

detritus food web

The object of the detritus food web is to break down tissues of dead organisms and transform their organic material back into inorganic material so plants can take them up again and restart the grazing food web.

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