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There are 3 or 4 at the most with only one with five. The reason is the fact that not all of the energy (100%) that the chain began with is passed on. Only 10% of the energy of the first level is passed to the second level. Of that 10% only 10% of that is passed on.
That is 0.1 x 0.1= 0.01. That is now 1%. Of this 1% only 10% is passed on. 0.01 x 0.10 = 000.1 That is 0.1%. We are at only at the second level. To go further there is only 10% of 0.01% is left to be passed on. That means that there is very little left for a large number of consumers in the third level.

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8y ago
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2mo ago

Food chains typically have limited energy available at each trophic level, resulting in fewer organisms being able to be supported as you move up the chain. In addition, inefficiencies in energy transfer as organisms are consumed further reduce the number of links in a food chain. This is why food chains are usually limited to around four or five links.

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12y ago

Because of the amount of energy lost between trophic levels.

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14y ago

The answer is because there is not enough energy

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3y ago

it be like that

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Q: Why are there rarely more than four links in a food chain?
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