Beaver Ecosystem Contributions and Facts

The video explores the remarkable skills of European beavers in constructing lodges and their significant ecological role as keystone species. Beavers influence their environment by building dams, which filter water and create habitats for other species. The video also highlights the beaver population in Germany, estimated at 25,000.

What unique feature do beaver lodges have that helps protect them?

• Solar panels

• Electric fences

• Camouflage paint

• Underwater entrances

What role do the leaves on branches play in a beaver's lodge?

• Decoration

• Emergency food stockpile

• Building material

• Camouflage

How do beavers contribute to their ecosystem as a keystone species?

• By planting trees

• By hunting predators

• By migrating long distances

• By building dams that filter water and create habitats

What is one effect of beavers cutting back trees and bushes?

• It causes soil erosion

• It promotes the growth of underbrush

• It leads to deforestation

• It reduces biodiversity

Approximately how many beavers are there in Germany today?

• 10,000

• 15,000

• 25,000

• 50,000