Scared snails opt for single parenthood rather than wait for a mate

Solitary snails in search of a mate put off parenthood as long as possible in the hopes that a partner will appear. But when Physa acuta snails smell predators, they don't wait as long for a mate. Scared snails settle for single parenthood much sooner than their calm counterparts, says a new study by biologist Josh Auld of the National Evolutionary Synthesis Center in Durham, NC.

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