Campbell Biology in Focus (2nd Edition)
Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 42, Problem 2TYU

Which of these ecosystems has the lowest net primary production per square meter?

  1. A.    a salt marsh
  2. B.     an open ocean
  3. C.     a coral reef
  4. D.    a tropical rain forest
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