J9ulphvaruiEid J9ulphvaruiEid

18-09-2016
Biology

contestada

organisms that cannot make their own food and must obtain energy from external sources are called a. autotrophs. b. thylakoids. c. plants. d. heterotrophs.

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Ognit18 Ognit18

18-09-2016

The correct answer is D. Heterotrophs

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