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phylum chordata reptilia

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kat jordan

on 8 June 2010

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Transcript of phylum chordata reptilia

phylum chordata reptilia rep·tile 
any vertebrate of the class Reptilia,
comprising of turtles, snakes, lizards, crocodilians, amphisbaenians, tuatara,
and various extinct members including the dinosaurs. cold blooded Physical Structure
All reptiles have scales, or scutes (bony plates or large scales) Most have four legs snakes and amphisbaenians do not. Scales are made of keratin, which is a strong protein that is the main ingredient in hair and nails, and hooves. these scales protect the body. Three chambered hearts
most reptiles are vertebrates ver·te·brate
having a backbone or spinal column.
major taxonomic group that includes mammals, birds, , amphibians, and fish
reptiles eyes are well adjusted to day light conditions some reptiles, like certain species of snake have heat sensitive eyes, which map out animals temperature and helps them hunt at night Vision General Characteristics cold blooded breathe air most have claws and strong rib cages
well developed brain central nervous system well developed lungs Reptiles are classified into 4 groups
Testudines Crocodilia A large group of reptiles that place back 84 million years ago
The group includes:
caiman families Crocodile alligator gharial caiman a group of lizard-like reptiles this group includes only one living species

tuatara Sphenodontia Tuatara the largest most recent group of reptiles
this group includes:
Squamata Testudines is a group for turtles Reproduction Most reptiles reproduce sexually Although in some cases the females can produce on their own. This is called parthenogenesis Most reptiles lay eggs, but some bear live young. They usually lay their eggs in damp, warm places

All turtles
All tortoises
All crocodilians
Some lizards

Egg layers
Some lizards
Some chameleons
Some snakes
Livebearers Feeding habits Most reptiles are carnivorous. Reptiles can go without food for long periods of time Most reptiles just grab their food and eat it, although crocodilians may drown prey before eating. Python, King, and Rat snakes suffocate their prey by wrapping themselves around it. Venomous reptiles paralyze their prey by biting them. hey Mr. amphisbaenian! how goes it? Reptiles =[...sadface. poor mickey... VENOM....fact: not a snake, or a spider RAWR amphisbaenian! OOOOOOOH YEEEEEEAH EVOLUT!ON believed to have developed from amphibians which developed from fish Reptiles are dry land animals. Although some reptiles live either temporarily or permanently in the water. Reptiles are mostly found in warmer and drier places such as deserts and semideserts. Habitat Video THE END D: 0___o :D By Cassidy, Michelle, and Erika >:D awwwe cute XD ...
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