Multiple Choice
Pocket gophers change the nitrogen cycle in prairies because they
A) excavate nitrogen-rich subsoil to the surface.
B) selectively remove nitrogen-fixing legumes from plant communities.
C) bury nitrogen-rich organic material in their burrows.
D) cultivate nitrogen-fixing bacteria in burrow chambers.
E) excavate nitrogen-poor subsoil to the surface.
Correct Answer:
Verified
Correct Answer:
Verified
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