PLS HELP ME WILL MARK BRAINLIEST

In the African Savanna, there are herbivores such as gazelles and zebras that feed on the grasses. Carnivores such as lions and cheetahs, also live in the area and eat gazelles and zebras. If a disease kills most of the gazelles, which best describes what might happen to the zebra population?



The zebra population would increase because of the increased competition for grass.



The zebra population would decrease because of the decreased competition for grass.



The zebra population would decrease because of increased predation by the lions and cheetahs.



The zebra population would increase because of decreased predation by the lions and cheetahs.