51. Community Ecology
Community Structure
Multiple Choice
Multiple ChoiceWhich of the following statements correctly describes conditions on a glacier moraine during the reign of pioneer species?
A
Vegetation consists of sphagnum bogs on poorly drained flat areas.
B
Decomposition of acidic spruce needles reduces the pH of the soil.
C
Alder forms dense thickets up to 9 meters tall.
D
Bare soil is acidic because of the carbonate compounds in the parent rocks.
E
Low nitrogen content causes many plants to have yellow leaves.
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