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Marine Communities - Quiz

Fish
1. Water covers about 

50% of the Earth

25% of the Earth

75% of the Earth

2. The largest environments on Earth are

Oceans

Deserts

Rivers and Streams 

3. The Euphotic Zone of the ocean is also known as the 

Dark Zone

Sunlit Zone

Twilight Zone
 

4. Over 90% of ocean life lives in the 

Aphotic Zone

Disphotic Zone

Euphotic Zone
 

5. Estuaries are areas where

Fresh water from the land mixes with salt water from the ocean

The ocean quickly drops off

Not many organisms live
 

Score = 
Correct answers:

Image Credits: Clipart.com



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