
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…

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…

Keystone Species have a disproportionately large effect on ecosystems relative to their abundance. Learn the concept, famous examples and why they matter.

Predators in Ecosystems influence prey populations, behaviour, food webs and other species. Learn how trophic cascades and predator-prey relationships work.

The role of predators in ecosystems includes shaping prey, food webs, scavenger communities and, in some cases, vegetation and habitats.