In a grazing food chain, energy and nutrients move from plants to the herbivores consuming them, and to the carnivores or omnivores preying upon the herbivores. In a detrital food chain ...

building your own food chain and watching films about all the animals and plants from the BBC archive. There are more resources available from BBC Teach, such as this short clip that explains more ...

The world is interconnected, and what happens at lower levels eventually makes its way to the top. Scientists sound alarm about tough-to-detect force wreaking havoc on food chains: 'A comprehensive ...

A food chain shows how plants and animals get their energy. The arrow means 'is eaten by' and shows the movement of energy in the food chain. The initial source of energy for all food chains is ...