Page 34 - Reptiles & Dinosaurs (Britannica Illustrated Science Library)
P. 34

Reptiles: Background                                                                                                        GOOD VISION                                 A SKIN WITH SCALES 32-33      INTERNAL ORGANS 38-39
                                                                                                                                      Iguanas have very good
                                                                                                                                      vision. They see colors, and                THE FAMILY TREE 34-35         A MENU AT GROUND LEVEL 40-41
                                                                                                                                      they have transparent eyelids               A LIVING FOSSIL 36-37         REPRODUCTION 42-43
                                                                                                                                      that close easily.








































































                     olor plays a very important role             the iguana family communicate by                             reptiles, they are not capable of generating            When it comes to their diet, most reptiles
                     in the life of iguanas and lizards.          showing bright colors, tufts of feathers,                    internal heat, so they depend on external               are carnivores, with the exception of some
                     It helps to differentiate males and          and folds of skin. Another particularity                     factors to maintain their body temperature.             turtles, which are herbivores. Reptiles are
                     females, and when it is time to              that distinguishes iguanas is their covering                 For this reason, you will frequently see                also characterized by their total
        C attract a mate, the members of                          of epidermal scales. In addition, like all                   iguanas lying stretched out in the sun.                 independence from aquatic environments.
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