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News From the Field

Size Matters: Eavesdropping on Sexual Signals


May 12, 2010

Marlene Zuk Biologists at the University of California, Riverside, have found that male crickets growing up in the presence of abundant male song tend to be larger, behave differently, and invest nearly 10 percent more reproductive tissue mass in their testes than male crickets growing up in a silent environment. The subtle modifications of behavior depending on the environment, not genes, means that even in insects, animals are not "programmed" or "hard-wired" to do what they do. Full Story

Source
University of California, Riverside

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