A pioneer community invades bare substrate during ____
a. primary succession
b. secondary succession
c. climax succession
d. nutrient cycles
e. primary productivity
a
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Which of the following is an ecological legacy?
A) woody debris left after a fire B) hurricane C) logging of forests D) fire E) water
When caught in a thunderstorm in an open field, the best thing to do is to
a. run for cover under the nearest tree.
b. lie down flat on the ground.
c. crouch down as low as possible while minimizing contact with the ground.
d. remove all metallic objects from your pockets.
e. climb up onto a hill.
Which of the following controls the rate of groundwater flow?
A. the permeability of the rocks B. the slope of the water table C. how fractured the rocks are D. All of these.