Sex determined turn red during mating season

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Unformatted text preview: tebrates not large mammals) Saltwater crocodiles have a wider snout, American has a pointy one Marine Iguanas Galapagos Laterally flattened tail Dark color- preservation of heat, warms them up quickly while basking on the rocks Shallow divers, spend a lot of time on land Oviparous, not env. Sex determined Turn red during mating season Herbivarous Salt dries on them, excreted through nostrils Probably come from a land iguana Sea Snakes Laterally flattened tail Ovoviviparous, viviparous Genetic sex determination Hydrophiids- don’t move well on land, can stay below the water for 90 minutes and down to about 300 feet. Breath air, but have been shown to absorb oxygen through their skin Latricadids- lay eggs on land Both are related to cobras Extremely venomous Venom in the ocean: kills quickly Not very aggressive, but inquisitive Can sense light through their tail Salt gland, tongue No sea snakes in the Atlantic ocean. Why? Currents. Might not be warm enough. Turtles Leatherback are endothermic. Deep divers (...
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This document was uploaded on 03/23/2014 for the course BIOL 403 at Georgetown.

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