B Molecular structure of the material. Arrangement of ... Supports gills (gill arches), In gnathostomes: jaws. ear. hyoid apparatus. C. Dermatocranium. ...
Chordates and craniates; Vertebrates; Gnathostomes; Tetrapods, Amniotes, Mammals. ... Mammals ... Mammals. Figure 34.10 A lamprey - an example of a basal vertebrate. ...
FISHES Bio II Rupp GANOID SCALES CTENIOD SCALES CYCLOID SCALES PLACOID SCALES Typical in sharks FISH MUSCULATURE Myomeres-segments of the muscle Myospeta division ...
23.1 Relationships among phyla 23.2 Modularity of development: morphogenetic fields 23.3 Modularity of development: enhancers 23.7 The same set of instructions forms ...
Elasmobranchs - sharks (360 species in two major groups), skates and rays (450 species) ... Sharks as predators: locate prey in a geographic sense. detect prey ...
Vertebrates are part of a larger phylum called Chordata which includes ... After the Devonian, the Carboniferous period was 'The age of the amphibians' ...
The parade of the Craniates Part 1 Major synapomorphies of the Craniates Developmental Neural crest Neurogenic placodes Nervous System Above Braincase (skeletal ...
Vertebrate Adaptations Evolution of the Skeletal System General Trends in the Skeleton Simplification through bone loss, bone fusion, and ossification.
Title: EVOLUTION PHYLOGENIQUE DE L ATM Author: comes Last modified by: comes Created Date: 2/27/2006 7:11:16 PM Document presentation format: Affichage l' cran
The Behavior of White Sharks and their Pinniped Prey during predatory attacks ... Focus: reef sharks (requim) Order Orectolobiformes Carpetsharks: Overview ...
... 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 ...
Cerebral Peduncles motor tracts. Cerebral Aqueduct for CSF ... Cerebral peduncle. Cerebellum. Cerebrum. Key Points. Name the 12 cranial nerves in order. ...
Chapter 34 Vertebrates A. Invertebrate Chordates and the Origin of Vertebrates The vertebrates belong to one of the two major phyla in the Deuterostomia, the ...
Human embryo (5 weeks) Notochord attachment site for muscles ... Platypus. P. Chordata. Mammalia. Monotremes. Echidna. P. Chordata. Mammalia. Marsupials ...
Important developments of the Vertebrates: brain and sense organs The ancestors of vertebrates switched from filter feeding to more active feeding, which required ...
Stomodeum invaginates from ectoderm of body covering (breaks through) ... thecodont - fossil birds, crocs and gators, and mammals and imbedded in socket ...
Phylum Chaetognatha- arrow worms (resemble tiny, planktonic fish) More closely related to ... acorn worms. Not related to true worms. Stomochord-- notochord ...
... opening and closing the mouth, sharks draw in water and pass ... (sharks) ... ORDER: HEXANCHIFORMES (6/7 gilled sharks) These are the most primitive ...
Vertebrate Biology Lecture Notes The Phylum Chordata Vertebrates belong to the Phylum Chordata - these are animals that, at one stage or another of their life ...
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. ...
volution et classification du vivant Emmanuel Bernier Quelques dates 15 MMa : le Big Bang 4,8 MMa : le syst me solaire 4,5 MMa : la Terre 3,8 MMa : l apparition ...
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