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Q2: Vila-Aiub and colleagues found that populations of
Q3: What results could Clausen, Keck, and Hiesey
Q8: In general, a plant located in an
Q20: Donald Phillips and James MacMahon showed that
Q25: Which of the following is true for
Q25: In many species, the females can reproduce
Q36: Of the 607 species of conifers, how
Q43: The dams that have been built on
Q49: The time required for a chemical to
Q54: The percentage of energy or biomass in