Environment & Ecology · Ecology
In a deep aquatic ecosystem, what is the region called where the light intensity is too low for photosynthesis, community respiration exceeds primary production, and the P/R ratio is less than 1?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Littoral zone
- 2Pelagic zone
- 3Profundal zone✓
- 4Limnetic zone
Correct answer
Profundal zone
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