Explain why some parts of the world tend to be naturally covered ...

[EAugust]

Explain why some parts of the world tend to be naturally covered by trees and other parts by shrubs, grasses, and other
  small plants.

 
  What will be an ideal response?

Question 2

What is an Animal Equivalent Unit (AEU)?
 
  What will be an ideal response?

[dpost18]

Answer to Question 1

Trees are the dominant plant in areas where they can grow for long periods of time with adequate rainfall, soil,
and favorable growing conditions. In the prairies, there is often not enough, or unreliable water to support trees.
In other areas, natural or people-caused fires have prevented the growth of trees.

Answer to Question 2

The amount of forage that is required to feed a 1,000-pound animal for a given period of time.

[EAugust]

Wow, this really help

[samiel-sayed]

Great answer, keep it coming