Watch this mini-lesson to learn why a beaver builds a dam: https://mysteryscience.com/mini-lessons/beavers-dams?code=183ba410961bd0189e3b0d6415e04204 Then answer the questions. Use the to circle your answer. **You need to listen carefully to the video to know the answers! You may need to watch the video more than one time. Tap on to turn it in.