Homework Help: ap bio

Posted by Bekah on Saturday, August 27, 2011 at 7:45pm.

The number of trophic levels that can be maintained in an ecosystem is limited by:
a. a gain in population size
b. the loss of potential energy
c. the number of individuals in the ecosystem

i have chosen a but it is for a grade and i would love some help?? :)

ap bio - Ms. Sue, Saturday, August 27, 2011 at 7:49pm
Bekah, Rachel, Skipper -- why have you changed your name for each post? Are you having an identity crisis?

Please keep the same name for your posts in this forum.
ap bio - SraJMcGin, Saturday, August 27, 2011 at 9:03pm
Try some of the following links for verification:

http://www.google.com/search?q=what+limits+the+number+of+trophic+levels+in+an+ecosystem&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a

Sra

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