Water and Estuaries Knowledge Assessment

This video provides an overview of aquatic biomes, which are divided into freshwater and marine biomes. Freshwater biomes include rivers, lakes, and wetlands, characterized by low salt content. Marine biomes encompass oceans and seas, rich in biodiversity. The video also covers estuaries, where freshwater meets the ocean, highlighting their role as nurseries for wildlife and their ecological significance.

What percentage of Earth's water is freshwater?

• 10%

• 2.5%

• 25%

• 50%

Which of the following is NOT a type of freshwater biome?

• Wetlands

• Lakes

• Rivers

• Oceans

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

• Slope of the landscape

• Temperature

• Presence of fish

• Amount of sunlight

Which of the following is a characteristic of wetlands?

• High salt content

• Saturated with water

• Lack of plant life

• Low species diversity

Which ocean is the largest?

• Atlantic

• Indian

• Pacific

• Arctic

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

• Himalayas

• Andes

• Mid-ocean ridge

• Rocky Mountains

What percentage of the ocean has been explored?

• 20%

• 50%

• 5%

• 75%

What is an estuary?

• A type of freshwater lake

• A mountain range under the sea

• A body of water where freshwater meets the ocean

• A deep ocean trench

Why are estuaries important for wildlife?

• They have high salt content

• They provide a safe environment for raising young

• They are devoid of predators

• They are always warm

Which type of estuary is formed by sand bars along the coastline?

• Tectonic estuary

• Coastal plane estuary

• Fjord

• Bar-built estuary