Biology Explained

Ecology

Ecosystems, food webs and biodiversity.

Ecology

How Food Webs Work: Trophic Levels, Energy Loss and Keystone Predators

How food webs connect producers, consumers and decomposers, why energy shrinks at each level, and how predators shape whole ecosystems.

5 min read
Ecology

How the Carbon Cycle Works: Reservoirs, Fluxes and Turnover Times

How carbon moves between air, oceans, plants, soil and rock, why each reservoir holds a different amount, and how fast carbon cycles through each one.

5 min read