Resource-dependent sex-allocation in a simultaneous hermaphrodite.

  title={Resource-dependent sex-allocation in a simultaneous hermaphrodite.},
  author={Dita B. Vizoso and Lukas Sch{\"a}rer},
  journal={Journal of evolutionary biology},
  volume={20 3},
Most sex allocation theory is based on the relationship between the resource investment into male and female reproduction and the consequent fitness returns (often called fitness-gain curves). Here we investigate the effects of resource availability on the sex allocation of a simultaneously hermaphroditic animal, the free-living flatworm Macrostomum lignano. We kept the worms under different resource levels and determined the size of their testes and ovaries over a period of time. At higher… CONTINUE READING
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