Beaver Behavior and Ecology

A farmer in Minnesota finds his cornfield flooded by beavers who built a dam. Despite his efforts to remove it, the beavers persistently rebuild. The video explains beaver behavior, their adaptations, and how they can be beneficial, as seen when they help wildlife rangers in New Jersey create a bird nesting area. The classroom discussion highlights the differences in reactions to beavers' work and explores their ecological impact.

What did the farmer in Minnesota find when he looked out his kitchen window?

• A new barn

• A herd of deer

• A muddy lake

• A field of flowers

What did the beavers use to build their final dam?

• Rocks

• Mud

• Leaves

• Cornstalks

What did the beavers do that made the farmer angry?

• Destroyed his barn

• Scared his livestock

• Flooded his cornfield

• Ate his crops

How do beavers avoid being hit by falling trees?

• They hide behind rocks

• They run away

• They climb the tree

• They dive into the water

What feature helps beavers swim efficiently?

• Long legs

• Webbed feet

• Sharp claws

• Pointed ears

What is the primary reason beavers feel safe in the water?

• They can swim fast

• They can stay underwater for 15 minutes

• They are camouflaged

• They have sharp teeth

What sound does a beaver make to warn others of danger?

• A high-pitched whistle

• A loud roar

• A deep growl

• A cracking sound by slapping its tail

Why did the wildlife rangers in New Jersey find beavers useful?

• They planted trees

• They built a dam for free

• They scared away predators

• They cleared the land

What did human experts estimate the cost of creating a new nesting area for water birds?

• $100,000

• $25,000

• $50,000

• $10,000

How are the first five paragraphs of the article organized?

• By listing events in chronological order

• By listing events from most to least important

• By presenting arguments

• By asking a question and answering it