Tag Archives: food webs

Understanding Food Webs

Image compares and contrasts food chains and food webs.

What exactly is a food web? Nearly a century ago, the ecologist Charles Elton introduced us to the concept of food chains –linear series of links that shows how food, which provides the environmental currency of nutrients and energy, moves through an ecosystem. No doubt you’ve seen illustrations of food chains.  These often begin with some kind of plant, like ...

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