Seasonal polyphenism in larval type: rearing environment influences the development mode expressed by adults in the sea slug Alderia willowi.

Abstract excerpt

Dimorphisms occur when alternative developmental pathways produce discrete phenotypes within a species, and may promote evolutionary novelty in morphology, life history, and behavior. Among marine invertebrates, intra-specific dimorphism in larval type (poecilogony) is notably rare, but should provide insight into the selective forces acting on larval strategies. Most established cases of poecilogony appear to be...

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