| I. Basking by desert lizards in sunI. Hiding in burrow by some animalsII. Thermal gapingAbove are the examples of |
| a) | Cursorial adaptation | b) | Behavioural adaptation |
| c) | Fossorial adaptation | d) | Scansorial adaptation |
| (b)Some organisms show behavioural adaptation to cope with variation in environment. Desert lizards lack the physiological ability to deal with high temperature. They keep their body temperature fairly constant by behavioural means. They enjoy in sun and absorb heat when their body temperature is low. When their body temperature starts increasing it moves into shades |