Some cells, such as nerve cells, are programmed to always remain in the Gap 1 state. If nerve cells engage in mitosis, a disruption of the cell cycle has occurred. The growth of additional nerve cells can lead to A the creation of a virus.

B the development of cancer.

C a change in sex.

D a loss of DNA.

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

Iwill make you brainliest pleeze answer this fast i have to turn it in really soon brainliest promise easy question 6th grade ! a weather map shows a high pressure system with circles around it. what does this mean? a) an occluded front b) areas of equal altitude c) areas of equal pressure d) a stationary front

Crossing over is a method of (blank)?