Aquatic Biomes Quiz

What percentage of the Earth's surface is covered by water?

• 80%

• 50%

• 60%

• 70%

Which of the following is NOT a freshwater biome?

• Lakes

• Rivers

• Wetlands

• Oceans

What is the salt content of freshwater?

• 50 parts per thousand

• 30 parts per thousand

• 5 parts per thousand

• 0.5 parts per thousand

What is the starting point of a river called?

• Mouth

• Headwater

• Delta

• Estuary

Which of the following is a characteristic of wetlands?

• No plant life

• High salt content

• Saturated with water

• Dry and arid

Which ocean is the largest?

• Pacific

• Atlantic

• Indian

• Arctic

What is the name of the largest mountain range in the ocean?

• Mid-Ocean Ridge

• Andes

• Rockies

• Himalayas

What percentage of the ocean has been explored?

• 10%

• 20%

• 5%

• 1%

What is an estuary?

• A mountain range

• A deep ocean trench

• A body of water where fresh and salt water mix

• A type of lake

Which of the following is NOT a type of estuary?

• Bar-built estuary

• Tectonic estuary

• Desert estuary

• Coastal plain estuary