Which of the following statements are correct? a. The morula stage involves cleavage of the zygote.
b. The gastrula stage involves differentiation of cells.
c. The blastula stage involves rearrangement of the cells to form a hollow sphere
d. All of the above.
e. None of the above.

i believe that the answer is c.

videntify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.

supercell thunderstorms are perhaps the most violent of all thunderstorm types, and are capable of producing damaging winds, large hail, and weak-to-violent tornadoes