Answer:
Cannot be A, Because a producer is a plant, BUT a consumer is an animal.
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Cannot be B, Because Only a producer is a plant, cannot be an animal.
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Cannot be C, because Consumers dont do photosynthsis, only producers.
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That leaves us with D, I need must be the correct option because consumers the producers and the producers get their energy from the Sun so that means that consumers are getting all their food from things that start that with the Sun.
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