On a grassy hill near where I met the ecologist Jennifer Dunne at the Smithsonian National Zoo, a lion craned its shaggy head back to watch a helicopter fly over. It was a stark illustration of humans ...

Food web is an important conceptual tool for illustrating the feeding relationships among species within a community, revealing species interactions and community structure, and understanding the ...

A food web is a detailed interconnecting diagram that shows the overall food relationships between organisms in a particular environment. The simplest explanation is that food webs are "who eats whom" ...