Answer:
If all the grass disappeared from a community, the most likely change to occur would be that the deer population would decrease. This is represented by option D. Deer are herbivores and rely on grass and other vegetation as a primary food source. Without grass, the deer would have less food available, which could lead to a decrease in their population. This could also have a cascading effect on other species in the community, such as predators that rely on deer as a food source.
Step-by-step explanation: