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Yes, they both use the sun's energy to produce their own food.

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15y ago
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13y ago

I think it is a heterotroph. It does not make food. And it consumes dissoved oxygen

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15y ago

Marine kelp is photosynthetic

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11y ago

autotroph

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11y ago

yes

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Q: Is a sea urchin a autotroph or a hetertroph?
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