Energy Flow

Explained

Food Chains and Food Webs: How Energy Moves Through Ecosystems

A food chain is a useful line: producer to herbivore to predator. Real ecosystems rarely work in straight lines. Food webs show the many overlapping feeding relationships through…

Explained

What Is an Ecosystem? How Living and Non-Living Parts Work Together

What is an ecosystem? Learn how living and non-living components interact through energy flow, nutrient cycles, food webs and ecological processes.

Explained

Ecosystem: How Living Organisms and Their Environment Work Together

An ecosystem connects living organisms with their physical environment through energy flow, nutrient cycling, food webs, feedbacks and disturbance.