Freshwater Adaptations Quiz

How much of the Earth's water is freshwater?

• A gallon of saltwater

• A gallon jug

• A gallon

• A teaspoon

What does the biggest blue dot in the picture represent?

• All the water in the oceans

• All the water on Earth

• All the freshwater on Earth

• All the saltwater on Earth

Which animal is a resident of Russia's Lake Baikal?

• Penguin

• Dolphin

• Freshwater seal

• Polar bear

How do nerpa seals survive under the ice in Lake Baikal?

• They have a special layer of blubber to keep warm

• They use their strong flippers to make breathing holes

• They migrate to warmer waters

• They hibernate

What is the color of the addax antelope's coat in the summer?

• Gray

• White

• Black

• Brown

How does the addax antelope keep cool in the summer?

• By taking frequent baths

• By hiding in the shade

• By drinking lots of water

• By changing the color of its coat

What is the surface area of Lake Chad compared to Lake Baikal?

• Larger

• Smaller

• Equal

• Cannot be determined

What is the depth of Lake Chad compared to Lake Baikal?

• Deeper

• Shallower

• Equal

• Cannot be determined

What do the animals in the Sahara depend on for freshwater?

• Rainfall

• Ocean currents

• Melting glaciers

• Underground springs

What is the main factor that determines the amount of freshwater available in an environment?

• Temperature

• Humidity

• Elevation

• Rainfall