The ‘division of labour’ model of eye evolution

@article{Arendt2009TheO,
  title={The ‘division of labour’ model of eye evolution},
  author={Detlev Arendt and Harald Hausen and G{\"u}nter Purschke},
  journal={Philosophical Transactions of the Royal Society B: Biological Sciences},
  year={2009},
  volume={364},
  pages={2809 - 2817}
}
The ‘division of labour’ model of eye evolution is elaborated here. We propose that the evolution of complex, multicellular animal eyes started from a single, multi-functional cell type that existed in metazoan ancestors. This ancient cell type had at least three functions: light detection via a photoreceptive organelle, light shading by means of pigment granules and steering through locomotor cilia. Located around the circumference of swimming ciliated zooplankton larvae, these ancient cells… CONTINUE READING

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