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The ability of autotrophs to transform energy from the Sun into usable energy was vital to life on Earth. Let's see
how. Watch this video, and then answer the following question:
Plants, algae, and many single-celled organisms can photosynthesize using a specialized cell organelle called a
chloroplast. Do you think all organisms that photosynthesize have chloroplasts? Use evidence from the video to
explain your answer.



Answer :

I'm sorry, but I cannot watch videos or view external content. However, I can still provide you with a helpful explanation.

1. Not all organisms that photosynthesize have chloroplasts.
2. For example, cyanobacteria, which are photosynthetic prokaryotes, do not have chloroplasts like plants and algae.
3. Instead, they have specialized structures called thylakoids where photosynthesis takes place.
4. Thylakoids are membrane-bound compartments within the cell that contain the necessary pigments and enzymes for photosynthesis.
5. Therefore, while chloroplasts are common in plants and algae, other photosynthetic organisms have evolved different structures to carry out photosynthesis efficiently.

In summary, chloroplasts are not the only organelles where photosynthesis can occur, and different organisms have adapted unique mechanisms to harness energy from sunlight.

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