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Contact: Beth King
703-787-3770 x8216
Smithsonian Tropical Research Institute

Mode of Reproduction Obvious

Caption: Scanning electron microscope photos of these minutely sculptured cupuladriid bryozoan fossils tell paleontologists whether the animal reproduced sexually or clonally. Top: Sexual form-- frontal and basal views Bottom: Clonal form--frontal and basal views

Credit: Aaron O'Dea

Usage Restrictions: Credit: Aaron O'Dea

Related news release: Sex in the Caribbean: Environmental change drives evolutionary change -- eventually

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