<span>scientific consensus changed as scientists learned more about organisms. I think thats the answer.
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Photosynthesis is how plants eat. plants/single cell organisms absorb sun light and transfer it into food/energy that it can use, phytoplankton for example use photosynthesis to eat, and they produce oxygen as a by-product of the photosynthesis. Trees and other plants to the same thing.
Answer:
They both have cell walls
Explanation:
hope it helps