Benthic organisms are affected the most by:

Correct answer: C. Sediment characteristics of aquatic ecosystems.

  • A. Light reaching the forest floor.
  • B. Surface turbulence of water.
  • C. Sediment characteristics of aquatic ecosystems.
  • D. Water­holding capacity of soil.

Explanation

Benthic organisms, which are organisms that live on or near the bottom of aquatic ecosystems (such as oceans, rivers, and lakes) .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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