A food chain shows how energy from producers is passed from one consumer to another within an ecosystem. Most food chains have three to four links. It usually starts with a plant. A herbivore is an animal that only feeds on plants. A carnivore is an animal that feeds on other animals. Animals that feed on both plants and animals are called omnivores.
What is a food web?
A food web shows all of the feeding relationships in an ecosystem. A food web can be defined as a network of food chains which are interconnected at various tropic levels, so as to form a number of feeding connections amongst different organisms.
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