Beavers build ____ or homes, in small streams. They use their large, sharp ____ to cut down trees to build their lodges. They also use their teeth for gnawing through and ____ plants. Beavers have ____ hind ____ that help them move in water. Their ____ are flat and can be used to slap the water's surface to ____ other beavers of predators. If a beaver becomes frightened, it can ____ underwater and stay there for up to 15 minutes without ____. Hopefully, by the time the beaver resurfaces, the ____ has become disinterested and has left the area.

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