Heterochronic Developmental Plasticity in Larval Sea Urchins and Its Implications for Evolution of Nonfeeding Larvae.

@article{Strathmann1992HeterochronicDP,
  title={Heterochronic Developmental Plasticity in Larval Sea Urchins and Its Implications for Evolution of Nonfeeding Larvae.},
  author={Richard R. Strathmann and Lucienne Fenaux and Megumi F. Strathmann},
  journal={Evolution; international journal of organic evolution},
  year={1992},
  volume={46 4},
  pages={972-986}
}
Preexisting developmental plasticity in feeding larvae may contribute to the evolutionary transition from development with a feeding larva to nonfeeding larval development. Differences in timing of development of larval and juvenile structures (heterochronic shifts) and differences in the size of the larval body (shifts in allocation) were produced in sea urchin larvae exposed to different amounts of food in the laboratory and in the field. The changes in larval form in response to food appear… CONTINUE READING
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