Crocs ( and dinos?) muscles pulling liver backward and 'rocking' pelvic bones ... How could phylogeny explain the difference between turtles and crocs? ...
... Temnospondys Amniotes Amphibian +incl Rep Ancestors Modern Mammals and Kin Turtles and Anapsids Birds and Dinos and Crocs Tuatara What is a Reptile ...
KEY CONCEPT Reptiles were the first amniotes. Reptiles are a diverse group of amniotes. Reptiles share several characteristics. ectotherms covered with dry scales ...
Title: No Slide Title Author: Derek girman Last modified by: Derek Girman Created Date: 7/6/2000 7:18:50 PM Document presentation format: On-screen Show
Snakes and lizards. Thecodonts (ancestral group of higher diapsids) Diapsids ... day lizards) was the sprawling stance imposed by the position of the legs ...
Herpetology. Ornithology. Mammalogy. Ichthyology. Class Chondrichthyes. Class Agnatha. Class Amphibia ... Lateral skeletal elements in appendage. fin rays in appendage ...
KEY CONCEPT Reptiles were the first amniotes. Reptiles are a diverse group of amniotes. Reptiles share several characteristics. ectotherms covered with dry scales ...
Cretaceous turtle Archelon Mosasaurs Giant marine lizards (the Komodo Dragon is closest living relative to these) Mosasaurs Evolved from land lizard, ...
Amniotes through Eutherians Chapter 34.6-34.8 By: Francisco Berrios and Siria Arzuaga Amniotes A group of tetrapods that trace back to the same common ancestor.
Class Chondrichthyes Herpetology is study of: Class Osteichthyes Class Mammalia Dinosauria Crocodilia Testudines Class Amphibia Class Agnatha Class Aves
... 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 ...
This 147-million-year-old Archaeopteryx fossil, owned by London's Natural History Museum, ... the world, Archaeopteryx is usually kept in environmentally ...
Amniota Amniote egg present Tetrapoda Girdles and limbs Teleostomi Vertebrates with endochondral bone Gnathostomata The jaw-bearing vertebrates Subphylum Vertebrata
Mesozoic Era (Jurassic Period)- Age of Reptiles ... Labyrinthodont amphibians led to stem ... Figure 5.14: (a) Archaeopteryx (b) pigeon. Literature Cited ...
Higher Chordates Amphibia, Reptilia, & Aves Subphyla Vertebrata Evolution of tetrapods One of the most significant events in vertebrate history was when the fins of ...
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) ...
I) Antena (2do. par de antenas) J) Quel pedo. K) Primer pere podo (pata marchadora) ... 2da antena. 1a antena. Est mago (cardiaco y pil rico) Pericardio ...
What does life on land versus life in the ocean require? What evidence supports that the ... Diapsid - two holes (lizards, dinosaurs, snakes, crocs) ...
characterized chiefly by a vertebral column. Earliest known was the conodont ... sharing a more recent common ancestor with Allosaurus than with modern birds) ...
Patterns in Evolution I. Phylogenetic II. Morphological III. Historical (later) IV. Biogeographical The only trait we did not define was an autapomorphy - this is a ...
Archosauria (crocodiles, dinosaurs, pterosaurs, birds) Late Triassic ... Dinosaurs first appear as do mammals, turtles, and pterosaurs. Shallow warm seas ...
... further reduction of the jugal in Archosauria (crocs and birds) and Lepidosauria results in a single temporal opening. (A fourth pattern, euryapsid, ...
Synapsids (mammals) Exercise 1. On your own face find your temporal fossa. Sketch your marine mammal skull, identify the mandible, orbit, sagittal crest, ...
... into the Archosauromorpha (Crocs, birds, pterosaurs, and ... differently than crocs. move nares to top of skull. Saurischia. Palaeopoda (4-legged gait) ...
How did our planet get the way it is today, anyway? Geologic Time. picture books ... http://en.wikipedia.org/wiki/Cretaceous-Tertiary_extinction_event. Mesozoic Era ...
See a recovery after the Late Devonian extinction of tabulate ... by the placoderms, the stethacanthids exploded into a riot of bizarre forms and lifestyles. ...
From classification based on temporal fenestration two groups ... Have Anapsid skulls. Turtles. Systematic relationships with other amniotes poorly understood. ...
Vertebrate Adaptations Evolution of the Skeletal System General Trends in the Skeleton Simplification through bone loss, bone fusion, and ossification.
The hypothesis is a tree topology, its branch-lengths and a ... Opossum. Platypus. Echidna. Skink. Iguana. Green Turtle. Painted Turtle. Alligator. Caiman ...
Ovis aries. Q-A vs. D-S jaw joint- the defining key character' for 80 years ~250 MYA ... Traits evolve at multiple locations on phylogeny. Reptilia. Archosauria ...
differ from other reptiles because their bodies are encased within a protective shell ... birds more than other living reptiles (care for young and four ...
... notochord, caudal fin rays, and what appeared to be a postanal tail and a dorsal ... hypocercal tail (with an extended ventral lobe) which suggest a trend towards ...
Important developments of the Vertebrates: brain and sense organs The ancestors of vertebrates switched from filter feeding to more active feeding, which required ...
Sense Organs Monitor external & internal environment Somatic or visceral receptors Specific or general Special Somatic ... neuro/senses.htm#illusions ...
Snake hooks and nooses- use extreme caution if not experienced. DO NOT. ... 4. Venomous snakes: Many areas strictly regulate possession of venomous reptiles, ...
River Cooter. Adult River Cooter. C' on second costal scute....and other scutes. Adult River Cooter. Chrysemys picta. Painted Turtle. Chrysemys picta. Painted Turtle ...