Biology

The correct answer is A. Tiger Shark.

Tiger sharks are considered keystone species predators because they are apex predators that control the populations of various prey species. By regulating these populations, they help maintain the balance of the entire ecosystem. For example, by limiting the number of certain fish or marine mammals, tiger sharks prevent overgrazing or overpopulation, which allows for greater biodiversity and stability in the ecosystem.

B. Bee: A keystone species, but not a predator. Bees are crucial for pollination and ecosy...