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organism that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds; also called a producer
(ecology) a group of interdependent organisms inhabiting the same region and interacting with each other
organism that relies on other organisms for its energy and food supply; also called a heterotroph
an organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients
collection of all the organisms that live in a particular place, together with their nonliving environment
a diagram that shows the amount of energy that moves from one feeding level to another in a food web
series of steps in an ecosystem in which organisms transfer energy by eating and being eaten
organism that can capture energy from sunlight or chemicals and use it to produce food from inorganic compounds; also called an autotroph
ten percent law
only about 10% of the energy available within 1 trophic level is transferred to the next trophic level.
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