Reptiles, & Mammals, & Birds…. Chapter 9. Traits of Reptiles Dry skin covered in scales Leathery shell to prevent drying out Ectotherms – cold-blooded.

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Presentation transcript:

Reptiles, & Mammals, & Birds…. Chapter 9

Traits of Reptiles Dry skin covered in scales Leathery shell to prevent drying out Ectotherms – cold-blooded Include – Sea turtles – Sea snakes – Saltwater crocodiles – Marine iguana

Traits of Seabirds Flight! Homeotherms (constant body temp.) Endotherms (maintain metabolic heat) Waterproof feathers (preen with oil) Hollow bones Hard shell Include: – Penguins – Tubenoses – Pelicans – gulls

Traits of Marine Mammals Endothermic/homeothermic Hair Viviparous (live bearing) with placenta Mammary glands Large brain Include – – Seals/sea lions/walruses – Sea otters/polar bears – Manatees/dugongs – Whales/dolphins/porpoises

Sea Turtle Crawl Egg Laying Digging the Nest

Sea Reptiles Green sea turtle - c&feature=relatedhttp:// c&feature=related Loggerhead Hatchlings - animals/turtles-and-tortoises/turtle_loggerhead_baby/ animals/turtles-and-tortoises/turtle_loggerhead_baby/ Turtle Excluder Device Marine Iguana - Saltwater Crocodiles – Tbsgo8s4L8 (reproducing) Tbsgo8s4L8 (Catching fish) Sea snakes - diving-for-snakes.htmlhttp://animal.discovery.com/videos/sea-of-snakes- diving-for-snakes.html

Sea Birds King Penguins- Emperor Penguin Emperor Penguins vs. Leopard Seal Sea Birds Atlantic Puffin - Albatross - about-the-albatross-bird_news about-the-albatross-bird_news Cormorant - carbo/video-08.htmlhttp:// carbo/video-08.html

Marine Mammals Pinnipeds – Seals - – Sea Lions - – (Sea lion vs. killer whale - – Walrus mom - manatees/walrus_cuddle/ manatees/walrus_cuddle/ – Ice melt and sea walruses - vin/ vin/ Sea otter and kelp - Sea otter and disease - animals/otters-and-meerkats/otter_sea_toxoplasmosis/ animals/otters-and-meerkats/otter_sea_toxoplasmosis/ Polar Bears - Dugongs - manatees/dugong/ manatees/dugong/ Blue Whales - animals/whales/whale_bluecalls/ animals/whales/whale_bluecalls/ Blue Whales - Humpback Whale - animals/whales/whale_humpback/ animals/whales/whale_humpback/ Dolphins - porpoises/dolphin_bottlenose_aggressive/ porpoises/dolphin_bottlenose_aggressive/