Which I of the following is a reason to support the theory of endosymbiosis? A. The presence of separate membrane bound organelles within eukaryotic cells. B. Chloroplast and mitochondria have dna completely separate and unlike cellular dna. C. your teacher told you. D. Cells divide by mitosis to make exact copies of themselves.

probably B.

Explanation:

i took the topic and i think it is B.

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explanation:

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.