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Sex in the soil

low, then the worm is safer being a female since she can still have offspring even if she never meets another animal.

"The trick comes in being able to estimate whether the food will be plentiful or not when it is ready to reproduce, because it needs to make the decision to be male or female well before that," said Pilgrim. "This research helps understand how animals adapt to a variable environment, and to a certain extent, why sex exists."


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Contact: Phoebe Dey
phoebe.dey@ualberta.ca
780-492-0437
University of Alberta
6-Nov-2003


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