SORU: paragrafta boş bırakılan yere uygun düşen cümleyi bulunuz
The beaver is an aquatic mammal with a wide, scaly, paddle-like tail and webbed feet which it uses for swimming. …………… . They build these dams to protect themselves from such animals as the coyote and the cougar. Their food consists mainly of the bark of the willow, poplar and other trees, but they also eat flowers, grasses and roots.