Single Answer MCQ
Q-00019772
What prevents most food chains from having more than four or five trophic levels?
1
Limited energy transfer efficiency between levels.
2
Increased number of organisms at higher levels.
3
Overpopulation of primary producers.
4
Species extinction at higher levels.
Answer and Solution
Answer
A. Limited energy transfer efficiency between levels.
Solution:
Energy transfer is inefficient, with approximately 90% lost at each level limiting the number of trophic levels supported.
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