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 ...

The starting point is the energy from the sun, and this energy is traced as it moves through the food chain. This movement is typically linear, from one organism to another. For example ...

A food web is made up of a number of food chains. It shows all the food chains in an ecosystem. Here is an example of a food web: Although it looks complex, it is just several food chains joined ...

Tim Carmody of Wired Magazine calls it the New Food Chain. It goes like this: new generation tablet devices like the iPAD represent a new food source. Apps spawned by it are animals flocking ...

The foundation of the sea's food chain is largely invisible. Countless billions of one-celled organisms, called phytoplankton, saturate sunlit upper-ocean waters worldwide. These tiny plants and ...

A food chain shows the feeding relationship between organisms. They always start with an organism that makes food. The producer. In this example, it's grass. The first consumer in the chain ...