'Marine reptiles' diaporamas de présentation

Chapter 9: Marine Reptiles, Birds, and Mammals

Chapter 9: Marine Reptiles, Birds, and Mammals. Vertebrates 350 m.y.a. vertebrates invaded land Decendents of bony fish Land vertebrates had to adapt to harsher conditions on shore Tetrapods had to develop lungs that allowed for absorption of oxygen directly from air.

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Marine Reptiles, Birds, and Mammals

Marine Reptiles, Birds, and Mammals. Chapter 9. Marine Reptiles. Skin covered with scales-prevents water loss Eggs have leather shell to prevent water loss as well Ectotherm-body temperature fluctuates with environment. Sea Turtles. Only 8 species of sea turtles

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What do we know about DINOSAURS?

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Oceanography

Oceanography. Made by Patrick Earl. Chapter 1. The Ocean Floor 1.) The Continental shelf 2.) The Continental Slope 3.) The abyssal plain 4.) The mid-ocean ridge 5.) Ocean trenches. The Continental Shelf.

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Introduction to Biology II

Introduction to Biology II. Biology 1312. Spring 2007. Dr. Brad Hoge. Vertebrates. Chordata. Chordate Characteristics. Notochord Hollow Dorsal Nerve Cord Pharyngeal Slits Muscular, Postanal Tail. Invertebrate Chordates. Urochordata Cephalochordata. Vertebrates. Jawless Vertebrates.

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Hadean (4.5 to 3.96 bya)

Hadean (4.5 to 3.96 bya). Earth accreted from bolides. Material differentiated into core, mantle, crust and atmosphere. Hostile conditions. Early crust formation (detrital zircon grains dating to 4.2 bya found in sedimentary rocks), but no rocks still exist in the geologic record.

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Marine Reptiles & Birds

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Nekton

015d. Nekton. Nekton. Organisms capable of swimming against a current. General characteristics of nekton. Larger body size Greater swimming power Most nekton animals are vertebrates, and most vertebrates are fish Only the squid and a few species of shrimps are truly nektonic invertebrates

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Marine Reptiles

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Mesozoic Life

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Serpents and Spitfires: Marine Reptiles and Flying Reptiles

Serpents and Spitfires: Marine Reptiles and Flying Reptiles. The great diversification of reptiles, beginning in the Triassic Period, and coming to a head in the Cretaceous Period, included the appearance and great success of marine and flying reptiles.

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Ammonites Draw The Fossil

Ammonites Draw The Fossil. Class Work. draw the fossil on one side On the other side of paper : speculate on the organism that left the fossil sketch the imaginary view of the organism habitat using colored pencils

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