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Food Chain |
Food Web |
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In a food chain, there is a straight line from producers to first consumers to second consumers to third consumers |
In a food web, each organism eats and is eaten by 2 or more organisms. So, everything is connected by a web. |
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An organism at higher level of food chain eats a specific organism at the lower level
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An organism at higher level of food web can eat more than one organism from the lower level |
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Food chain is a simplified version of food web |
Food web is what happens in reality.
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Single food chains is unstable in an ecosystem |
Food webs are stable in an ecosystem |
