Multiple choice

In which kind of ecosystem, the number of primary producers within a fixed area would be the greatest?

  1. Pond ecosystem

  2. Grassland ecosystem

  3. Forest ecosystem

  4. Desert ecosystem

  5. Man-made ecosystem
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A Correct answer
Explanation

A pond ecosystem is a fragile balance of organisms such as fish, plants and other animals. The ecosystem starts with solar energy, which is utilized by plants. Here, the number of primary producers is the greatest, which also includes many phytoplankton's.

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