Recall the endosymbiosis hypothesis and recall endosymbiosis. Remember that the very first cell was a prokaryotic cell. Which engulfed chloroplast precursors and mitochondria. We all come from these cells. And how we evolved over time shows the relationship. I'm a bio major hope I helped
Taxonomy is the science of naming and classifying organisms based on structural comparisons and genetic evidence.
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an Individuals chromosomes, and homologous pairs?
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I think it's c (if y is chloroplasts)