Lizards - a Study in Thermoregulation

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Produced in 1979 by the Institute of Biology as part of its Studies in Biology series, this booklet explores an aspect of homeostasis in lizards; thermoregulation.

Lizards are one of the most abundant groups of vertebrates and have successfully adapted to a wide range of environmental conditions. They can maintain a relatively constant body temperature by adjusting their behaviour so that they make maximum use of external sources of heat. In contrast to other so called ‘cold-blooded’ animals (poikilotherms), many species of lizards can control their body temperature with a high degree of precision.

This booklet examines how such control is achieved, and shows that other aspects of lizard ecology, behaviour and physiology are determined by thermoregulatory considerations.

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