Development. there is a branch in biology called Developmental biology<span> is the study of the process by which organisms grow and </span>develop. Moderndevelopmental biology<span> studies the genetic control of cell growth, differentiation and "morphogenesis," which is the process that gives rise to tissues, organs and anatomy.</span>
Yes it is a renewable because it can be used again and again
Erosion is brought about by the forces of nature or human activity: water, wind, earthquakes, mining, quarrying, etc. In the desert, there is very little water that can cause weathering or erosion, so the most probable answer is wind or maybe even animal activity.
Both meiotic and mitotic divisions.