Author Question: food chain (Read 733 times)

pratush dev

  • Sr. Member
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on: Dec 7, 2014
A food chain comprises a number of trophic levels. Which is the trophic level vulnerable to extinction?



Celeste

  • Hero Member
  • Posts: 588
Reply #1 on: Dec 7, 2014
I believe it's all but the primary producers. Do you have a list of options?



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