Lizards, like many vertebrates, have lungs and a respiratory system that enables them to breathe. They are different from mammals and birds in that they don't have a diaphragm muscle and instead breathe by flexing their ... More »

The respiratory system is a group of organs that provide the body with oxygen. Oxygen is needed for cells in the human body to live. More »

Humans need a respiratory system because it is made up of organs that allow them to breathe. Breathing delivers oxygen to the body and takes away carbon dioxide. Every cell in the body needs oxygen to obtain energy from ... More »

Basilisk lizards are omnivores with a diet that consists mainly of flowers and insects, with a few small vertebrates thrown in for good measure, including birds, snakes and their eggs. Its range includes Central America ... More »

www.reference.com Pets & Animals Reptiles Lizards

Lizards survive in the desert because they have many adaptations as reptiles that help them to avoid the extreme heat during the day, the extreme cold during the night and keep moist despite the dry weather. The first of... More »

Lizards hibernate during the cold periods of the year, making their homes in tree trunks, rocks and wherever they can find shelter. Lizards are cold-blooded ecnotherms with no internal heating capabilities, so they must ... More »

Lizards reproduce in different ways. While most lizards reproduce by laying eggs after a female is inseminated by a male, other types of lizards reproduce asexually, meaning they do not need a mate in order to produce of... More »

www.reference.com Pets & Animals Reptiles Lizards