# What is an energy pyramid?

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19
Mar 15, 2016

The energy pyramid is used in energy transfer from one organism to another along the food chain. The energy decreases as you move from the bottom to the top of the energy pyramid.

#### Explanation:

90% of the energy entering each step of the pyramid is used up by the consumers, only 10% of the energy get stored. So, when the next level on the pyramid eats them, that 10% gets passed down to them.

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5
Jan 8, 2016

An arrangement of organisms showing the flow of energy from producers to first,second and third levels of consumers,albeit decomposers are at times included but usually overlooked.

#### Explanation:

Energy requirements of organisms can be simplified as an arrangement of producers and consumers with the Sun being the original source of energy (This classical view was unraveled somewhat after deep sea vents were discovered.).

There are usually 4, rarely 5, levels in a energy pyramid.

The first level represents the producers (in other words, organisms that produce energy from non living sources like plants)

The second level regroup the primary consumers. They feed on the producers (ex: herbivores).

The third level corresponds to secondary consumers which feed on primary consumers, etc ...

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