Aquatic Biomes Quiz

What percentage of the Earth's water is freshwater?

• 5%

• 20%

• 10%

• 2.5%

Which of the following is not a major freshwater biome?

• Ocean

• Wetlands

• Rivers

• Ponds

What is the salt content in saltwater?

• 100 parts per thousand

• 30 to 50 parts per thousand

• 5 parts per thousand

• 0.5 parts per thousand

Which biome has a high level of species diversity and supports amphibians, reptiles, and birds?

• Oceans

• Wetlands

• Rivers and streams

• Lakes and ponds

What determines the direction and speed of water flow in rivers and streams?

• The slope of the landscape

• The presence of fish

• The temperature of the water

• The color of the water

Which of the following is a characteristic of wetlands?

• Saturated with saltwater

• Low species diversity

• Supports aquatic plants

• No amphibians or reptiles

Which ocean is the largest?

• Arctic Ocean

• Pacific Ocean

• Indian Ocean

• Atlantic Ocean

What is the largest mountain range in the ocean called?

• Mid-ocean ridge

• Himalayas

• Appalachian Mountains

• Andes Mountains

Estuaries are important because they help decrease the effects of which natural disasters?

• Tornadoes

• Earthquakes

• Volcanic eruptions

• Floods and storm surges

Which type of estuary is formed when the sea fills in a hole or basin that's formed from sinking land?

• Tectonic estuaries

• Coastal plain estuaries

• Bar built estuaries

• Fjord estuaries