In some areas of the western United States, pines are an important part of the climax community. Fires occur at regular intervals in these areas. How could fire maintain these pine populations?
A) Fires allow pioneer species like annual grasses to colonize.
B) Fires cause gaps in the canopy that allow early-succession species to thrive.
C) Fires kill understory species, allowing pine seedlings to thrive.
D) Fires make it easier for legumes to colonize, increasing soil nitrogen.
Correct Answer:
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Q88: Changes in North American forest climax communities
A)
Q89: Q90: Why might a forest contain both climax Q91: Which of the following is an example Q92: Grazers can change climax communities because they Q94: What causes variation in climax communities over Q95: In deciduous forests of Pennsylvania, the climax Q96: Transient climax communities can occur when a Q97: During succession, communities Q98: How could a priority effect be important
A)
A) do not change.
B) always
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