When the Wolves Returned

Where does the story take place?

• Yellowstone National Park
• Jellystone Park
• California 
• Indiana

During what years were the wolves hunted and killed?

• 1872-1923
• 1924-1943
• 1943-1994
• 19995-1996

What was the effect of the wolves leaving the park?

• The elk population increased.
• The elk population decreased. 

What caused the pronghorns to decrease in number?

• The elk ate them.
• They coyotes ate them.
• The wolves ate them.
• They got sick and died.  

What was the effect on the coyote population when the wolves left?

• It increased.
• It decreased.

Why couldn't new plants grow in the park?

• The elk were eating them.
• The pronghorns ate them.
• The coyotes ate them.
• The beavers ate them. 

Why did the beavers and birds disappear?

• The coyotes ate them.
• The wolves ate them.
• There were no trees for them.  

What caused the foxes to have trouble finding food?

• The coyotes increased and ate the animals they would eat. 
• There were no trees and shrubs for them to eat.

Who is the top of the food chain?

• Wolves
• Elk
• Beavers
• Rabbits

What happened when the wolves returned to Yellowstone?

• Nature's balance was returned.  
• The beavers disappeared.  
• The trees couldn't grow.
• Coyotes became the top of the food chain.