Multiple choice

Which of the following ocean layers is known as the euphotic zone?

  1. The top sunlit zone

  2. The bottom of the sea bed

  3. The zone where water temperature is near freezing

  4. The zone where photosynthesis does not occur

  5. The zone below the thermocline and above the seabed
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The top bright ocean layer is called the sunlit zone or the euphotic zone. In this zone, there is enough light for photosynthesis to take place. So, many plants and other photosynthetic organisms live in this zone as food is abundant.

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