Confused about the difference between food chains and food webs? Don't worry, you're not alone. But we can help you sort it out. Here's everything you need to know about food chains and food webs, and ...

In 1910, farmers earned 40 cents for every dollar in sales. Today, they only earn a penny from each dollar, the result of a drastic consolidation of farm ownership centered on a few big commodity ...

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 ...

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 ...

A new article documents the first comprehensive study of deep-sea food webs, using hundreds of video observations of animals caught in the act of feeding off the Central California coast. The study ...

If you want to understand an ecosystem, look at what the species within it eat. In studying food webs -- how animals and plants in a community are connected through their dietary preferences -- ...

Estimated time of Completion: Activity and discussion can take up to 2 90-minute blocks depending on the amount of research Food webs show the interaction of different producers and consumers in an ...