The nucleus of the cell controls cell activity. which body system performs a similar function in humans?

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?

Which of the following can occur to two segments of a population if they are geographically isolated 1.) they can only share some types of genes 2.)both groups most likely become extinct 3.)they find a way to come back together 4.)eventually they become separate species