B. Because the environment can not supply for the food and caring of the animal species that is growing larger.
I think it is D. You experience increase in breathing rate to obtain more oxygen which is delivered to cells through the bloodstream
Wild-type and mutant fruit flies are important in genetic research as it gives the chance to know the organization of the wild sort quality or protein in order to know the thinking behind elements that cause certain attributes. What's more, wild-sort mutants are utilized as a control in hereditary research tests.
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.
