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STD 12 - 11. organisms and populations — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 11. organisms and populations1 Mark
MCQ
Benthic organisms are affected the most by
  • A
    light reaching the forest floor
  • B
    surface turbulence of water
  • ✓
    sediment characteristics of aquatic ecosystems
  • D
    water­holding capacity of soil.
✓

Answer

Correct option: C.
sediment characteristics of aquatic ecosystems
c
(c) : Benthic organisms are bottom dwelling forms found crawling or attached to the bottom. The sediment characteristics often determine the type of benthic animals that can thrive there.

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