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:
