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Marine Reptiles

Marine Reptiles. What do you think of when you think of reptiles?. Classification of Reptiles. Phylum Chordata Subphylum Vertebrata Class Reptilia Were more diverse in dinosaur age. Characteristics of Marine Reptiles. Scaly skin—protects against water loss

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Marine Reptiles

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  1. Marine Reptiles

  2. What do you think of when you think of reptiles?

  3. Classification of Reptiles • Phylum Chordata • Subphylum Vertebrata • Class Reptilia • Were more diverse in dinosaur age

  4. Characteristics of Marine Reptiles • Scaly skin—protects against water loss • Ectothermic (cold blooded)—need heat from environment • Where do you find reptiles? • Lungs for breathing • Reproduce by laying eggs • Salt glands near eye remove salt into tears • Have highly concentrated urine to conserve water

  5. Why are there no marine amphibians?

  6. Crocodiles • Longer, narrower nose than alligators • Teeth show when mouth is closed • Close off nostrils when under water • Predators that ambush prey • Lay eggs in nests on land

  7. Marine Snakes • Tropical • Always in the water • Venom to attack predators, and ambush • Close nostrils when under water • High lung capacity • Flat tail for swimming • Lay eggs or have live young

  8. Iguana • Only found in Galapagos • Feed on algae • Flat tail for swimming • Basks on rocks to get warm

  9. Sea Turtles • Strong jaws but no teeth • Omnivores • Flippers for swimming • Lay eggs on land

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