Why does the Beaver population grow so quickly? Objective Students will be able to: 1.Understand the number of beavers one family produces. 2. Understand population explosion. 3. Understand life cycle of beavers Background This activity does not discuss reproduction in detail rather explains the concepts of reproduction and what happens when a species reproduces rapidly. Preparation This lesson can be used both inside and outside. Designate an area to be the Beaver Lodge. Procedure 1.Mark out a 6 to 8-foot area on the ground to represent the size of an average beaver lodge. You can do this by Duration: 30 Minutes.