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Reptiles, ![Unknown](attached://72c55ec97c8c804c0588d9667b45335c 150x102,…
Reptiles
Reproduction:
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After fertilization, the egg develops to form the new embryo and an amniotic egg.
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After laying their eggs, most females leave them alone to hatch.
Movement:
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Reptile skeletons are stronger, with heavier bones.
Feeding and digestion: Similar digestive system to amphibians and fish, Most reptiles are carnivores, but some are herbivores.
Snakes can swallow prey much larger than themselves.
The bones of the skull and jaws are joined loosely so they can spread apart to swallow large prey.
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Characteristics: shelled amniotic egg, scaly skin, efficient circulatory and respiratory systems
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Respiration: Reptiles depend primarily on lungs for gas exchange.
A reptile’s lungs have a large surface area.
circulation: Similar circulatory system to amphibians
Most reptiles have two separate atria and one partially divided ventricle.
Excretion: Kidneys filter the blood to remove waste products.
Water reabsorption enables reptiles to conserve water and maintain homeostasis in their bodies.
The brain and senses: Some reptiles have tympanic membranes and others detect vibrations through their jaw bones.
In snakes, Jacobson’s organs in the mouth are used to sense odors.
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