Question

elk herds in yellowstone national park are herbivores that eat on the available vegetation. which factor is important to ensure the stability of this ecosystem? a the introduction of another herbivorous species to increase competition. b the introduction of more elk from other parks to increase the herd population. c the predators, such as grey wolves, to keep the elk population from growing too large. d ensuring that only vegetation that is part of the elks diet is allowed to grow in the park.

Explanation:

In an ecosystem, predator - prey relationships help maintain balance. Predators like grey wolves can control the elk population, preventing over - grazing and maintaining the stability of the ecosystem. Option A may disrupt the ecosystem by introducing new competition. Option B would increase the pressure on vegetation. Option D would limit the biodiversity of the vegetation.

Answer:

C. The predators, such as grey wolves, to keep the elk population from growing too large.