The correct answer is: Natural selection acted on the variation that was present in the population.
Old existing cells.......
Answer:
Cells are membrane-bound groups of organelles that work together to allow it to function. Some of the major organelles include the nucleus, mitochondria, lysosomes, the endoplasmic reticulum, and the Golgi apparatus. Plant cells also include chloroplasts, which are responsible for photosynthesis.
Explanation:
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D. Organisms have cells with different shapes and functions.
