Colour plays a very important role in the life of iguanas and lizards. It helps to differentiate males and females, and when it is time to attract a male, the members of the iguana family communicate by showing bright colours and folds of skin.

Another particularly that distinguishes iguanas is there covering of epidermal scales. In addition like all the tiles day or not capable of generating internal heat, so they depend on external factor to maintain their body temperature.

Skin with scales

Reptiles are vertebrate, meaning that they or animal with a spinal column. There skin is hard, dry and flaky. Like birds, most reptile 7 born from eggs deposit on land. The offspring hatch fully formed without passing through a larval stage. The first reptile appeared during the height of the Carboniferous period in the paleozoic era. Only five of 23 others that existed then have living representatives today.

Internal organs

The anatomy of reptiles enables them to live on land. Thanks to their dry, scaly skin and their excretion of uric acid instead of urea, they minimise water loss. The hurt distributes blood in a double circuit. Crocodiles were the first vertebrate to have a four chambered heart. The separation of the ventricles is incomplete in all other reptiles. The lungs developed beyond those of amphibians, contribute to cardiac efficient by allowing for greater exchange of gases.

ReptilesFish and Amphibians

Reptiles – A Menu at Ground Level

These are basically carnivorous, even throw some follow other food regimens. Lizards usually feed on insects. Snakes usually feed on small vertebrates such as birds, rodents, fish, amphibians or even other reptiles.

For many, the eggs of birds and other reptiles make a very succulent meal. The painted turtle is omnivorous: it eats meat and plants. Reptiles and other species are part of a larger food chain – animals eat other animals, preserving the equilibrium of the environment.

Reptiles Reproduction

Most reptiles are oviparous. Some species lay large numbers of eggs and then allowed them to develop on their own, generally in well protected nests or hidden under diet aur sand. Marine turtles, especially green turtles travel to the coast to lay their eggs in the sand, where they are left at the mercy of all who pass by. The females of other species, however, fiercely protect their offspring, staying near their nests for long periods of time to scare away potential predators.

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