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Most animals that live in deep oceanic waters are:

  1. A
    Detritivores
  2. B
    Primary consumers
  3. C
    Secondary consumers
  4. D
    Tertiary consumers

Solution & Step-by-step Explanation

In deep oceanic waters, there is no light for photosynthesis, so there are no primary producers (plants/algae). The food chain relies on "marine snow" (organic debris falling from above). Thus, most deep-sea animals are detritivores or scavengers.

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Most animals that live in deep oceanic waters are:
A
Detritivores
B
Primary consumers
C
Secondary consumers
D
Tertiary consumers

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