Question

(b)
The sun provides 1,000,000 J of sunlight (solar energy) to an
ecosystem. Write the amount of energy that is available to the first
and third trophic levels, respectively.
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Answer 1

Answer:

just reduce a zero for every level

cause at every lvl 10 percent energy transmitted

hope it helps

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Answer 2

Answer:

At every level 10 % energy of its total amount will be reduced , so calculate respectively the answers