Upload
jasmine-peters
View
217
Download
0
Embed Size (px)
DESCRIPTION
A L OOK AT O VERGRAZING The next slide will show an overhead view of a prairie. For this slide we will only focus on the grass and buffalo. The grass is shown as green squares and the buffalo as black ovals.
Citation preview
EFFECTS OF CHANGE
EFFECTS OF CHANGE
The prairie ecosystem has many populations
Use these organisms to create a food web.
The producers are in green, plant eaters in blue, and animal eaters in orange.
Tallgrass Shortgrass
Wildflowers Big Bluestem
Pronghorn BuffaloMice Prairie Dog
Black Footed Ferret
Prairie Chicken
Burrowing Owl Grasshoppers
Beetles Snakes
A LOOK AT OVERGRAZING
The next slide will show an overhead
view of a prairie.
For this slide we will only focus on the
grass and buffalo.
The grass is shown as green squares
and the buffalo as black ovals.
GRASSLANDEach column has 10 squares of grass. There are 20 columns.Calculate how many squares of grass are available.
GRASSLANDEach buffalo needs 25 squares of grass to survive. How many buffalo can live in this area?
GRAZINGWhat will happen if we put 20 buffalo in this area?
EFFECTS ON OTHER
POPULATIONSWhat will happen to the grass? Explain your answer.
EFFECTS ON OTHER
POPULATIONSWhat will happen to the ferrets? Explain your answer.
HIGHWAYSWhat effects will building a highway have on the area?