Figure 1 shows a simplified food web in a desert ecosystem. In this food web, grasshoppers feed on plants; scorpions prey on grasshoppers; kit foxes prey on scorpions.

Food chains show interconnected food webs. Find out more with BBC Bitesize. For students between the ages of 11 and 14.

Ecosystems are characterized by interconnected structure and functions. A study published in the open-access journal PLOS ...

How Tracing Food Chains in a Garden Can Lead to Surprising Lessons From soil microbes to birds of prey, embracing a garden's food chain helps a garden take care of itself.

Dead and dying seabirds collected on the coasts of the northern Bering and southern Chukchi seas over the past six years reveal how the Arctic's fast-changing climate is threatening the ecosystems ...

This adult red fox, a California native, was photographed hunting ground squirrels in a freshly disked field near Woodland, Calif. Contrary to onetime scientific opinion, red foxes living in the ...

Foxes and other mammals are at greater risk from the accumulation of toxic elements due to their high position in the food chain.

The loss of top predators, such as lions, wolves and sharks, is causing unpredictable changes to food chains around the world, according to a review written by 24 scientists.

What are some of the unexpected ways that animals in an ecosystem are connected?