Water: Water Biomes

The video tutorial explains Earth's appearance as a blue marble due to its water coverage, with 70% being ocean water. It introduces marine biomes, highlighting their salty nature and diverse life forms. The tutorial also covers freshwater biomes, found in streams, rivers, lakes, and ponds, and promises further discussion on both marine and freshwater biomes.

What percentage of Earth's surface water is ocean water?

• 80%

• 70%

• 60%

• 50%

Why is ocean water not suitable for drinking?

• It is too cold.

• It is too salty.

• It contains too many fish.

• It is too deep.

What is a characteristic feature of marine biomes?

• They contain salty water.

• They are found in deserts.

• They have freshwater.

• They are devoid of life.

Where can freshwater biomes be found?

• In the sky

• In rivers and lakes

• In oceans

• In deserts

What is the main difference between marine and freshwater biomes?

• Marine biomes have salty water.

• Marine biomes are colder.

• Freshwater biomes are saltier.

• Freshwater biomes are found in oceans.