Changes

Lizards have breeding seasons determined by cycles of photoperiod, temperature, rainfall, and food availability. A corresponding fluctuation can be seen in male lizards and testicular size. Male lizards may also undergo behavioural changes during breeding season and become more territorial and aggressive.

Lizards have breeding seasons determined by cycles of photoperiod, temperature, rainfall, and food availability. A corresponding fluctuation can be seen in male lizards and testicular size. Male lizards may also undergo behavioural changes during breeding season and become more territorial and aggressive.

Lizard reproductive strategies vary; they may be

Lizard reproductive strategies vary; they may be:

* oviparous  

* oviparous  

* ovoviviparous - the eggs are retained within the female until birth

* ovoviviparous - the eggs are retained within the female until birth