In the Grass Park Experiment, Researchers Have Fertilized a Grassland

question 18

Multiple Choice

In the Grass Park Experiment, researchers have fertilized a grassland at the Rothamsted Experimental Station in Great Britain since 1856. Sampling for species diversity through time shows that rank-abundance curves have gotten ________ over time, indicating ________ species evenness.

• A) steeper; increasing
• B) steeper; decreasing
• C) more shallow; increasing
• D) more shallow; decreasing
• E) Rank-abundance curves have not changed through time.

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