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Biology Past Questions and Answers

Topic: Trophic levels

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Jamb Biology Questions - Trophic levels

Question 1:

Which of the following is the direct consequence of transferring energy from one trophic level to another?

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A An increase in biomass
B A decrease in the efficiency
C An increase in the total numbers of resulting individuals
D A decrease in the resulting biomass

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Question 2:

The highest percentage of energy in an ecosystem occurs at the level of the

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A Secondary consumer
B Decomposers
C Producers
D Primary consumers

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Question 3:

Which of the following best describes the concept of trophic levels in a functioning ecosystem?

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A The levels of ecological interactions within an ecosystem
B The levels of energy flow within an ecosystem
C The levels of nutrient cycling within an ecosystem
D The levels of biological diversity within an ecosystem

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