Breakthrough might save the Great Barrier Reef
Starfish feed on coral & can wipe out big sections of Australia's Great Barrier Reef. But scientists are figuring out ways to solve that.
ecosystem
To manage an ecosystem, look at predators & prey
When policymakers decide how to manage wildlife, they look at many factors; sometimes one of those factors is entertainment.
Mutualism becomes competition in a food web
Mutually beneficial relationships abound in nature. Each organism survives better if the other is present. Competition spoils that.
The eaten outpace the eaters in biomass pyramid
Ecosystems have a carrying capacity, the maximum biomass each trophic level can support given finite resources. Here's the pattern.