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c. is a biotic factor within an ecosystem
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the answer, you can select it and write it down
I think this stage is the cytokinesis. It is <span>the division of the cytoplasm to form two new cells, overlaps with the final stages of mitosis. It may start in either anaphase or telophase, depending on the cell, and finishes shortly after telophase. Hope this helped.</span>
This can happen because you have recessive and dominant characteristics passed down. So you can get a totally different chromosome that doesn't come from your parents because your grandparents may have had it or great grand parents, the line keeps going .