The rate of mitotic division that takes place between the 4-cells stage and the morula, is 12 hours per cell division. The first division occurs in about a day after fertilization, and subsequent divisions occur every 12 to 24 hours after that. The zygote divides several times to form a mass of cells called morula, which is an embryonic stage consisting of a solid, compact mass of 16 or more cells.
<span>King stated this, he believed that black people were located at the bottom of the economic ladder. Their two circles of segregation were one that kept them prisoner based on their skin color while the other held them prisoner in poverty and deprivation. The average black person struggles to escape his circumstances but is hindered by these factors. He receives no normal education and no normal social or economic opportunities. When he attempts to try to better himself, he is told to lift himself up on his own by bis bootstraps, advice that is senseless considering he is often barefoot.</span>
Answer:
a) Land plants and tiny water plants
b) frog, fox and heron
c) In the image
d) Water fleas an diving beetles
e) Heron and perch
f) Insects and diving beetles will overpopulate (more so insects) and some foxes and herons might die because of a decrease in food availability.
Answer:
C. The DNA copied, a new cell membrane forms between the DNA copies, and the cell splits into two cells.
Explanation: