Abrupt Change in Food Environment Induces Cloning in Plutei of Dendraster excentricus

  title={Abrupt Change in Food Environment Induces Cloning in Plutei of Dendraster excentricus},
  author={Kathryn A. Mcdonald and D. Vaughn},
  journal={The Biological Bulletin},
  pages={38 - 49}
  • Kathryn A. Mcdonald, D. Vaughn
  • Published 2010
  • Biology, Medicine
  • The Biological Bulletin
  • Asexual reproduction, or cloning, of planktonic echinoderm larvae has been observed in the laboratory and in nature, but little is known about its ecology. Here we examine the effects of algal food density and of a change in food density on the incidence of cloning in larvae of the sand dollar Dendraster excentricus. Results indicate that a change in food concentration can induce cloning in plutei. Cultures transferred from a low to a high algal ration at the time when primary larvae were… CONTINUE READING
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