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sábado, 17 de noviembre de 2012

Food web and food chain

Food chain and Food web

Food chain:Animal and plants need energy to live.That energy is the food for animals. Plants use energy from the photosynthesis.
Food chain shows how a living thing gets the food and how are passed from creature to creature.Animal and plants need energy to live.That energy is the food for animals. Plants use energy from the photosynthesis.














Sample food chain
















Food web

A food web is a graphical description of feeding relationships among species in an ecological community
that is, of who eats whom .
Means how energy and materials (example carbon) flow through a community of species as a result of these feeding relationships.

Example of food web

References:


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