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Ecology

Test Prep

QuestionAnswer
What is the original source of almost all the energy in most ecosystems? Sunlight
What is an Autotroph? An organism that uses energy to produce its own food supply from inorganism compounds.
What is an organism that feeds only on plants called? Herbivore
What is a Heterotroph? An organism that cannot make its own food.
What is a food web? An ecological model of the relationships that form a network of complex interactions among organisms in a community from producers to decomposers.
What is an ominivore? An organism that eats producers and consumers.
Why do organisms need nutrients? To carry out essential life functions
Created by: Cameronandsara
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