If a person needs to consume 100 kcal of energy and he chooses to do so by eating soybeans, at least how many kcal of soybeans would have to grow to provide that 100 kcal for the human

1000kcal

Explanation:

The following parameters or information or data are given in the question above:

===> The energy that the person need to consume = 100kcal, and the food that the person choose to eat in order to get the energy is soybeans.

In an ecosystem, as we move from producer to tertiary consumers we have what is known as the ''ten percent rule''. The ten percent rule simply means that at each chain level, ten percent of energy is been sent to another chain level.

NB: chain level is the same thing as trophic level.

Therefore the amount of kcal of soybeans would have to grow to provide that 100 kcal for the person = 10 × 100kcal = 1000kcal.

well when looking at this if you think about it   negativley and positivley   react with each other and when the first layer gets full they add layers it starts with 2 on the first layer and it constantly goes on until the official number is there

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