Multiple choice

Which of the following organisms is normally the least in number in a food chain?

  1. Orca whales

  2. Diatoms

  3. Small crustaceans

  4. Small fish
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A Correct answer
Explanation

Organisms normally the least in number in a food chain are Orca whales. The killer whale, also referred to as the orca whale or orca, and less commonly as the blackfish, is a toothed whale belonging to the oceanic dolphin family. 

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