Phenotypic variation in smooth softshell turtles (Apalone mutica) from eggs incubated in constant versus fluctuating temperatures.

Abstract excerpt

Temperatures experienced during embryonic development elicit well-documented phenotypic variation in embryonic and neonatal animals. Most research, however, has only considered the effects of constant temperatures, even though developmental temperatures in natural settings fluctuate considerably on a daily and seasonal basis. A laboratory study of 15 clutches of smooth softshell turtles (Apalone mutica) was...

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