RNR 3018 Chapter : Reptiles

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15 Mar 2019
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More efficient lungs and a better circulator system were develope for life away from water. Scaly skin provided protection against the elements and desiccation. Reptiles use two efficient lungs (except snakes they only have one long one that fits their bodies) An adaptation to life out of water. Compared to the development of seeds in plant evolution. Contains yolk rich in nutrients for embryo. The amniotic egg adaptation to life on land. Amphibians were not able to move away from the water because their eggs would desiccate. Herbivores tear plants using teeth and jaws. Snakes have extendible jaws to swallow their prey hole. Some snakes have a diet of eggs exclusively. They swallow the egg whole, pierce the shell with a specialized section of the vertebrate, suck out the insides and spit out the shell! Monitor lizard kills prey with sharp teeth and powerful jaws. Chameleons have long sticky tongue that they flip out to catch flying insects.

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