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teilour teilour
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6 years ago
In the studies by David Tilman of the University of Minnesota and John Downing of the University of
  Iowa, reported in the journal Nature in 1994, they established and monitored 207 plots of Minnesota
  grasslands for seven years. During the study period, Minnesota's worst drought in 50 years occurred
  (1987-1988). The ecologists found that those plots with the greatest number of plant species lost
  __________ ground cover, as measured by dry weight, and recovered faster than species-poor plots.
  a. less
  b. more
  c. no detectable
  d. only deciduous
  e. detectable

Question 2

The almost complete loss of the American chestnut tree to the chestnut blight fungus had __________
  ecological impact on the moderately diverse Appalachian woodlands of which it was formerly a part.
  a. little
  b. great
  c. moderate
  d. undetectable
  e. detectable.
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slayer909slayer909
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teilour Author
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6 years ago
Thank you for helping me with this assignment of mine
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