Which statement describes where heterotrophs get the chemical elements they need for growth? O
A. They obtain the carbon and nutrients they need by consuming autotrophs or other heterotrophs.
B. They make carbon and oxygen by consuming decomposing animals and their wastes.
C. They use energy from the Sun to make oxygen that they change into sugars.
D. They obtain carbon from the air, and they take up other elements and water from the soil.
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