The nucleolus disappears. Centrioles begin moving to opposite ends of the cell and fibers extend from the centromeres. Some fibers cross the cell to form the mitotic spindle. The nuclear membrane dissolves, marking the beginning of prometaphase.
Answer:
Natural selection conditions are reproduction, heredity, variation in fitness or organisms, and variation in individual characters of the population. Please mark me brainliest!! :)
C. Americans had the right to expand their control across the continent.
I think the correct answer is B.
