This case study focuses on two important herbivores in the Serengeti: buffalo and wildebeest. Their populations are strongly affected by certain bottom-up factors. Which of the following is a bottom-up factor that could impact the population sizes of these herbivores? a. predators, such as lions b. parasites c. rainfall d. earthquakes
also explain please

a

explanation:

because it is and it's just life man

protist eukaryotes that are not plants, animals, or fungi ("misfits")

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.