Which one of the following ecosystems covers the largest area of the earth's surface?
Correct answer: D. Marine Ecosystem
- A. Grassland Ecosystem
- B. Mountain Ecosystem
- C. Desert Ecosystem
- D. Marine Ecosystem
Explanation
The marine ecosystem covers the oceans and seas, which occupy roughly 71% of Earth’s surface. Grasslands, mountains and deserts are all much smaller terrestrial ecosystems.
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