Refer to the figure.
On Mount St. Helens, the intensity of disturbance ranged from extremely high (lava dome, pumice plain) to moderate (mudflow zone, blowdown zone), to low (scorch zone).
-In which area is the biotic stress of competition most likely to control succession?
A) Pumice Plain
B) Mudflow zone
C) Blowdown zone
D) Scorch zone

Question

Refer to the figure.
 On Mount St. Helens, the intensity of disturbance ranged from extremely high (lava dome, pumice plain) to moderate (mudflow zone, blowdown zone), to low (scorch zone). 
-In which area is the biotic stress of competition most likely to control succession?
A) Pumice Plain 
B) Mudflow zone 
C) Blowdown zone 
D) Scorch zone

Quizplus · Accepted Answer

The Answer is D

Refer to the Figure