In an ecosystem's bottom-up processes, predators affect the abundances of other populations in the ecological community.

Bottom-up Processes

Ecological or systemic processes driven by primary producers or lower trophic levels influencing the structure and function of ecosystems.

Predators

Organisms that hunt, kill, and consume other organisms (prey) for nutrients and energy.

Ecological Community

A group of interacting species living in a common location, influencing each other's distribution, abundance, and evolutionary adaptation.