Ichthyosaurs PowerPoint PPT Presentations

Most of these applications need other disciplines: geology, ... Ichthyosaurs (c) belong to the Jurassic and Cretaceous. 1 cm. 20 cm. 0.5 cm. a. b. c ...

origin of the parasitic feeding guilds in terrestrial ecosystems ... and shared the seas with ichthyosaurs, plesiosaurs, and other marine reptiles. plesiosaur ...

Nervous system develops from dorsal nerve cord. Embryos have pharynx with slits ... Marine plesiosaurs & ichthyosaurs. Dinosaurs and pterosaurs. Living Reptiles ...

Ichthyosaurs swam in the sea. Woolly Rhinoceroses roamed the area. Only 31 villagers lived here. The manor house had been built. It had an important market ...

Cretaceous turtle Archelon Mosasaurs Giant marine lizards (the Komodo Dragon is closest living relative to these) Mosasaurs Evolved from land lizard, ...

... Maiasaura Parasaurolophus Pachycephalosaurus Diplodocus Brachiosaurus Deinonychus Compsognathus Coelophysis Allosaurus ...

Common North American painted turtle 'Amphibia' Amniota ... 'Horny-toads' are not toads. Komodo dragon largest living lizard. Meditteranean chaemelon ...

Early Triassic(251 mya)-Single Continent made up of Pangaea, ... In Late Triassic Epoch dinosaurs, pterosaurs and proto-crocs dominated. Archosaurs were common ...

Fossil Collecting on the Jurassic Coast

... Lizards, snakes and amphisbaenians Fig 13-1 Iguanas, chameleons, agamids Skinks, alligator lizards, Snakes, amphisbaenians, Varanids, gila monsters, ...

Divergent Evolution There is isolation of a population from the main gene pool, with first geographical and then reproductive barriers, resulting in a new species.

Ils se sont le plus souvent form s au fond des mers, des lacs et des ... En effet, le continent africain pousse l'Europe et les Alpes s' l vent plus de 4'000 m tres altitude. ...

Water moves heat around the planet; tectonics determines how ... Seafloor spreading causes bulges in ocean basins. Big enough bulges and/or lots of them ...

III. Mesozoic Era A. Triassic Period (250 - 205 mya)

Title: Slide 1 Author: Computing & Information Services Last modified by: Furman User Created Date: 5/15/2006 7:16:30 PM Document presentation format

... ants and bees Are these evolutionary arrivals unrelated to the ... 50 of the 500 modern families had arisen Cretaceous insect radiation New groups evolved ...

Cambrian fauna: trilobites, inarticulate brachiopods, primitive molluscs & echinoderms ... Among arthropods, the shell-crushing crabs are the big news ...

Triassic Jurassic Cretaceous they laid eggs! Late Mesozoic: Big (and little) Dinosaurs First Flowers and other Modern Plants. First Birds

Title: Slide 1 Author: Computing & Information Services Last modified by: reviewer Created Date: 5/15/2006 7:16:30 PM Document presentation format

... have shown that the earliest tetrapods had more than five fingers and toes. ... Sixty-five m.y.a., the last of the giant marine diapsids became extinct. ...

Snakes and lizards. Thecodonts (ancestral group of higher diapsids) Diapsids ... day lizards) was the sprawling stance imposed by the position of the legs ...

Too heavy to have traveled very far. The meteorite that made this crater Entered the atmosphere at about 140,000 mph Ignited a jet of flame in its path, ...

Figure 34.2 Echinodermata Cephalochordata ANCESTRAL DEUTEROSTOME Chordates Urochordata Notochord Myxini Craniates Common ancestor of chordates Petromyzontida

Nest French Frigate Shoals. 1,000 females. Family Cheloniidae. Chelonia agassizii ... Birds. Primarily defined by adaptations for flight. Lack urinary bladder ...

How Heavy?:3 tons (6000 pounds) Eats:meat (carnivore) ... Name Means: Iguana tooth. How Long?: 30 feet. How Tall?: 16 feet. How Heavy?: 5 tons (10000 pounds) ...

Life of the Mesozoic Era main points .. 1.marine invertebrates that survived end Permian extinction diversified and repopulated the seas 2. flowering plants evolve ...

Figure 3.1 Paleozoic amphibians, Crassigyrinus (group, incertae sedis) and Diplocaulus (Nectridea). Adapted from Milner et al., 1986, and Milner, 1980.

if dinosaurs were dumb and slow, why were they the dominant life form for 150my? ( No non-dinosaur larger than a turkey walked the land during the age of dinosaurs) ...

LECTURE 7: Mesozoic Era 248 mya 65 mya Periods of the Mesozoic Era Triassic 248 mya-206 mya Jurassic 206 mya-146 mya Cretaceous 146 mya-65 mya What Significant ...

The Origin and Early Evolution of Amniotes Amniotes diverged from anthracosaurs in the Carboniferous period (late Paleozoic) The Amniotic Egg (shelled egg ...

Chapter 15 Life of the Mesozoic Era ...

Mesozoic Life

Cretaceous System was named in 1822 for deposits that are 'chalky' ... Carnivores T. rex, terrestrial crocs lions. Flying scavengers flying reptiles vultures ...

Freeman believes that Darwin's theory was more revolutionary than Watson and ... Charles Darwin. Alfred Russel Wallace. Box 21.1 Figure 1 a,b. most important concept: ...

Some of the life forms were stromatolites, archea, ... Cockroach. Turtles. Bony Fish. Starfish. sharks. Plants. Cycads. Ginkgoes. Club mosses. Seed ferns ...

Higher Chordates Amphibia, Reptilia, & Aves Subphyla Vertebrata Evolution of tetrapods One of the most significant events in vertebrate history was when the fins of ...

Age of earth and solar system .4.5-4.6 bya (radioisotopic dating of meteorites)

Mesozoic Earth and Life History

Dinosaurs

... live in trees Africa and Madagascar Catch insects with tongue Komodo Dragon Attack and eat humans 10 feet long 300 pounds Indonesia Snakes Elongated derivative ...

Apoptosis

Chapter 34 The Origin and Evolution of Vertebrates

Title: Volcanoes and Igneous Activity Earth - Chapter 4 Author: Stan & Cindy Hatfield Last modified by: terivernon Created Date: 12/18/2000 12:31:17 AM

What are the different ... 7450 feet in the Canadian Rockies and discovered a very rich ... Hallucigenia was a strange little bottom-dwelling creature ...

Title: Chapter 24 Subject: Earth Science Author: Glencoe/McGraw-Hill Last modified by: Howells Public School Created Date: 3/26/2004 3:29:16 PM Document presentation ...

Title: No Slide Title Author: John Steven Scheibe Last modified by: Computer Services Created Date: 11/26/1999 11:31:18 PM Document presentation format

BIOLOGY 2900 EVOLUTION AND SYSTEMATICS

REPTILES ... Reptiles

Begun 4.56 billion years ago (the birth of Earth until the start of the ... They are born alive (except platypus and spiny anteater babies who hatch from eggs. ...

... then Free Water' group drank copiously when reversed to free water and ... Plate 9.1 Rear view of the last living Tasmanian tiger, Hobart Zoo, 1933. ...

Part I: Evolutionary History Chapter 1: Tetrapod Relationships & Evolutionary Systematics What is Herpetology? is it the study of the herpes virus?

Fossils B

The Mesozoic is the time in which the dinosaurs lived. ... Other things may also have been responsible for the presence of the iridium, and ...

16 minutes ago - COPY LINK TO DOWNLOAD = pasirbintang3.blogspot.com/?klik=1324093927 | DOWNLOAD/PDF Impossible Monsters: Dinosaurs, Darwin, and the Battle Between Science and Religion | “Vivid with a Mesozoic bestiary” (Tom Holland), this on-the-ground, page-turning narrative weaves together the chance discovery of dinosaurs and the rise of the secular age.When the twelve-year-old daughter of a British carpenter pulled some strange-looking bones from the country’s southern shoreline in 1811, few people dared to question that the Bible told the accurate history of the world. But Mary Anning had in fact discovered the “first” ichthyosaur, and over the next seventy-five years―as the science of paleontology developed, as Charles Darwin posited radical new theories of evolutionary biology, and as scholars began

Title: Evolution Author: Coral Glades High School Last modified by: Coral Glades High School Created Date: 5/14/2006 11:29:54 AM Document presentation format

... into the Archosauromorpha (Crocs, birds, pterosaurs, and ... differently than crocs. move nares to top of skull. Saurischia. Palaeopoda (4-legged gait) ...