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"Our Natural World - NATURE'S ENGINEER - THE BEAVER" 

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Our Natural World

NATURE'S ENGINEER - THE BEAVER

Size: 10,821 KB

Type: Microsoft ® Office PowerPoint

# of Slides:  30

Appropriate for grades:  3 - 12 

Description:  

This presentation presents the beaver as nature’s engineer.  Students will learn that beavers are mammals in the Rodentia order in the Castoridae Family.  They are semi-aquatic rodents who are primarily active at night.

Beavers build “lodges” or homes out of sticks, twigs, rocks and mud often burrowing into the banks or rivers and lakes.  Dams are built to block water flow in order to create favourable habitats if none exist.

The ponds created provide habitats for other species as well as water-loving plants.

The characteristics of a beaver are illustrated and students will learn that a beaver’s fur is naturally oily and waterproof.  The use of an oily secretion from its scent glands is discussed as further coat waterproofing and to mark territory.

Photographs demonstrate a beaver’s physical characteristics.  Examples of lodges and the beaver’s surrounding territory is provided including trees felled by the rodent.

Students will learn that humans and beavers encroach upon each other’s habitat.

The presentation ends with some fun beaver facts.

New terms:  lodge, habitat, castoreum, incisors, kit.

Created by:  

Tiiu Roiser BAA, BEd & 
Kevin Chorowiec OCT, BAS, BEd

 

 


 

 

Our Natural World - Nature's Engineer - The Beaver 

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