simsen1220 simsen1220
  • 19-04-2017
  • Biology
contestada

How long can a healthy ecosystem remain stable?

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Hellooitsme Hellooitsme
  • 19-04-2017
Hundreds or thousands of years.
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malz01
malz01 malz01
  • 19-04-2017
I was always tought hundreds or thousands of years. 
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