Beavers sometimes build dams to create lakes, slowing the flow of water and so changing their habitat. oh and you wrote why two times.^_^
The beaver building a dam would be considered a form of secondary succession because the beaver is altering an existing ecosystem rather than colonizing a new, barren area. The dam creates new habitat and changes the environment, allowing for new species to establish and thrive.
He builds a dam.
When a beaver builds a dam in a river, the river is stopped at that point and creates a sort of lake. If people had property on the river, that property can be destroyed. This is why some people object to beavers building dams.
A beaver dam is a lodge of a beaver, in the form of a dam, with an underwater entrance.
Beaver dam
Be logic ; somewhere on Earth, on a river, close to a forest.
That would be a beaver.
The address of the Beaver Dam Community Library is: 311 N. Spring St., Beaver Dam, 53916 2043
A Dam
Get a beaver to build a dam fully on a river narrowing.
Little Beaver Dam was created in 1942.
The phone number of the Beaver Dam Community Library is: 920-887-4631.