Which is not a cause of evolutionary changes in organisms?

Which of these best describes what occurs during cytokinesis? a) the chromosomes are separated b) the cell begins to divide by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?

Which event would lead to primary succession of a forest?