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grin007 [14]
2 years ago
5

The lowest trophic level in an ecosystem____. 1) has the lowest quantity of stored energy 2) has the greatest biomass 3) is made

up of heterotrophs 4) contains detritovores
Biology
1 answer:
DochEvi [55]2 years ago
4 0
In describing the energy transfer of trophic levels, energy is lost as we move up from a lower level to a higher level. This is because energy is used when for example a primary consumer does body processes before it is eaten by another consumer.  hence the lowest trophic level belongs to those which <span>2) has the greatest biomass</span>
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The half — life of nickel is 96 years. How much of a 30-gram sample is left after 270 years?
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The amount of the 30 gram-sample that will remain after 270 years is 6.61 grams

<h3>How to determine the number of half-lives </h3>

We'll begin by obtaining the number of half lives that has elapsed. This can be obtained as follow:

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<h3>How to determine the amount remaining </h3>
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The amount remaing can be obtained as follow:

N = N₀ / 2^n

N = 30 / 2^2.8125

N = 6.61 grams

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