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Nezavi [6.7K]
2 years ago
11

Approximately how many kilograms (kg) of carnivore (secondary consumer) biomass can be supported by an area of a field containin

g 1,000 kg of plant material (assuming 10% efficiency in energy transfer)
Physics
1 answer:
Anastasy [175]2 years ago
7 0

Only 10 Kg of secondary consumers can be supported by the ecosystem.

There exists such a thing as the 10% rule in the transfer of energy in biomass from one trophic level to another. This rule ultimately controls the mass of biomass that is available at the next higher trophic level.

This rule state that only 10% of the energy in biomass is transferred to the next trophic level. By this rule, only 10% of the energy in the plant material is transferred to the carnivore population. Therefore, only 10 Kg of secondary consumers can be supported by the ecosystem.

Learn more about trophic level: brainly.com/question/13267087

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Explanation:

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Answer:

$613,077

Explanation:

Calculation for the depreciation on the building for 2021

First step is to calculate the depreciation expense for the year 2019 and 2020 using this formula

Depreciation expense = (Purchase price - Residual value) ÷ (Useful life)

Let plug in the formula

Depreciation expense= ($9,300,000 - $1,300,000) ÷ (20 years)

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Second step is to calculate the book value for the year 2021 using this formula

Book value = Purchase price - Depreciation expenses *2 years

Let plug in the formula

Book value= $9,300,000 - $400,000 × 2

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2021 Depreciation=(Book value-Residual value)÷Useful life

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