Ostracodermes - Gnathostomata Professor Guilherme Ferreira de Lima Filho Ostracodermes Ostracos = concha Derme = pele Ostracodermes Caracterizados pela ...
Title: A View of Life Author: Valued Gateway Client Last modified by: kjones Created Date: 12/9/2002 2:36:15 AM Document presentation format: On-screen Show
Muscular System. All portions are derived from mesoderm. Muscle tissue is capable of contraction, so many bodily activities are carried out by the muscles.
Cooler climate caused more tropical species to go extinct ... Ray-finned fish. Coelacanths. Coelacanth distribution. Lungfishes. How to make a leg out of a fin ...
are evidence of one of the earliest four-legged animals on land. Photo courtesy of Ken Higgs, U. ... and larval stages. The evolutionary pathway to vertebrates ...
Elasmobranchs - sharks (360 species in two major groups), skates and rays (450 species) ... Sharks as predators: locate prey in a geographic sense. detect prey ...
Chapter 34 Phylum Hemichordata- Acorn Worms Have three body regions: proboscis, collar, and trunk Have both a ventral and dorsal nerve cord anterior portion of dorsal ...
Evolution of the Animal Body Plan Part 2 Chordates and Vertebrates E. Q. How has the chordate body plan evolved over time to better suit these animals to their
differ from other reptiles because their bodies are encased within a protective shell ... birds more than other living reptiles (care for young and four ...
Vertebrate Review Questions Which fish is a parasite? Lamprey Shark Skate Bass What is a shark s skeleton composed of? Bone Chitin Cartilage Notochord Which fish is ...
Vertebrates Evolution and Diversity * * * Chordates Notochord: longitudinal, flexible rod located between the digestive and the nerve cord Dorsal, hollow nerve cord ...
Histology and Ontogeny of Scales, Feathers and Hair The Integument Jack-of-all-Trades organ system Forms interface b/w the internal and external environment ...
Chordates and Fish Characteristics of Chordates A chordate is an animal that in some stage of development has: Notochord- dorsal rod of specialized nerves A dorsal ...
... nerve chord Subphylum Vertebrata dorsal backbone made of cartilage or bone Classes Agnatha Chondrichthyes Osteichthyes Class Agnatha jawless Do not ...
FISHES (yes, that s the proper word) ICHTHYOLOGY (the study of fish) FISH ANATOMY - EYES similar to other vertebrates, but differ in a couple of ways: spherical ...
The parade of the Craniates Part 1 Major synapomorphies of the Craniates Developmental Neural crest Neurogenic placodes Nervous System Above Braincase (skeletal ...
The Fishes: Vertebrate Success in Water The Fishes: Vertebrate Success in Water Chapter 18 Chapter 18 Fish Intro website Sharks cannot detect organisms wrapped in ...
... 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 ...
... opening and closing the mouth, sharks draw in water and pass ... (sharks) ... ORDER: HEXANCHIFORMES (6/7 gilled sharks) These are the most primitive ...
Lampreys. Non-parasitic species. Adult stage lasts less than 6 months ... Lampreys. Reproduction (same for all species) ... The Great Lakes 'Lamprey Incident' ...
Must get access to entire article, not just abstract as ... Osteolepiform. Dipnoan. Only tetrapods. thumb 'pinky' Note major shifts in. Tetrapods. Fig 8-4 ...
Important developments of the Vertebrates: brain and sense organs The ancestors of vertebrates switched from filter feeding to more active feeding, which required ...
Cartilaginous fish (Class: Chondrichthyes) also efficient paired fins - sharks - skates, rays - ratfish. II. Animal Diversity. 3. Vertebrata. c. Jawed Fishes ...
They are names that are used for convenience in discussing vertebrate evolution. ... Salientia (Anura) 'Frogs' Urodela (Caudata) 'Salamanders' Tetrapoda: Amniota ...
One of these types of animals gave rise to vertebrates, ... Gnathostomata is subdivided into Pisces with fins and Tetrapoda, usually with two pair of limbs. ...
2. Cosmoid scale of primitive fishes gave rise to dermocranium ... sebaceous gland - oil scent glands of mammals. uroptygial gland - oil gland on tail of birds ...
Glomerulus suspended into coelom and closely associated with ... Lizard. Salamander. The male. mammal. Uteri of Mammals. III. Summary of origin of ducts ...
Charles Darwin Alfred R. Wallace Evolution day 2 Thomas Huxley Gregor Mendel Theo. Dobzhansky R.A. Fisher Barbara McClintock J.B.S. Haldane Stephen J. Gould