Answer:
Chloroplasts are endosymbiotic descendants of photosynthetic cyanobacteria-like prokaryotes that were incorporated into cells more than a billion years ago.
Explanation:
Photosynthesis converts electrochemical energy from light into sugars and acts as the carbon source of the cell.
The answer is D, The structure was probably functional in some ancestor of the modern organism. Vestigial structures are structures that have remained from ancestors but have no function in modern times.
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Alcohol acts as a diuretic because it inhibits the release of ADH.
