Water your cacti generously right after you plant them. Keep your cacti in a sunny to partial sunny room. Feed your cacti with plant food once a month. Lizards The lizards we know today are much like the tiny animals that lived in the days of the giant dinosaurs. We just don't hear as much about the smaller ancient reptiles.
Lizards are cold-blooded.
Their body temperature is very nearly the same as the air temperature around them. If the weather is warm, their temperature rises. When it gets cold, they cool down. In cold weather, they slow down so much they sleep or hibernate. The desert tortoise looks like a walking helmet.