Ecosystem Activator: Streams and Rivers. Age 10 - 14.

The video explores the importance of freshwater ecosystems, focusing on streams and rivers. It highlights the unique adaptations of animals like the Pacific giant salamander, American dipper, tailed frog, and lamprey that thrive in these environments. The video also discusses human impacts, such as dams, and emphasizes the need for conservation efforts to protect these vital ecosystems.

Which of the following animals is NOT mentioned as relying on freshwater ecosystems?

• Desert tortoise

• Tailed frog

• American dipper

• Pacific lamprey

What is a key feature of streams that supports aquatic life?

• Flowing in one direction

• Lack of oxygen

• Stagnant water

• High salinity

How does the Pacific giant salamander adapt to its environment?

• By hibernating in winter

• By living in saltwater

• By having gills for oxygen

• By developing wings

What adaptation helps the tailed frog stay in fast-flowing streams?

• Bright coloration

• Webbed feet

• Hard tip toes

• Large lungs

What is one way humans can help protect freshwater ecosystems?

• Increasing chemical use

• Conserving water

• Introducing new species

• Building more dams