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alliemariee
alliemariee alliemariee
  • 08-06-2016
  • Biology
Answered

explain two difficulties an ecologist might have in counting a population of migratory birds

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MAXTORRES27
MAXTORRES27 MAXTORRES27
  • 08-06-2016

birds can always move around and counting birds can be kind of hard

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