The wolves

Introduction:In Yellowstone park wolves were put back in the park after 70 years and
changed the park.The deer were destroying the park but the wolves made this change.

P1:wolves at deer because of that there were less deer in the park to eat the trees.
So the trees grew back.

P2:More trees grew so that mean more trees grew so that meant more birds and beaver
came to the park.

P3:The beavers made dams in the river so the dams cased dacks. Rats,fish,and reptiles
to come back in to the park.

P4:The river changed and became bigger because the trees and plant roots
helped the river bank to stay which made the river cleaner and bigger.

Summary:The wolves brought back the trees and other animals to the park.
All the plants helped to change the river and the park was better for the future.