Chordata:Reptiles
by:James Gutierrez

WHAT DOES THIS MEAN?

• Comes from the Latin word meaning corded
• Def. is having a spinal cord/ vertebrate

WHAT TYPES OF ANIMALS ARE REPTILES?

• Alligators/Crocodiles
• Snakes
• Lizards
• Turtles

FEATURES

• Bilateral symmetry
• They like to live in warm areas to sit in sun
• Has a body cavity
• Inner skeleton

UNIQUE FACTS

• Over 8,000 species
• Have a long life span epically for turtles(150) and alligators (70)
• 200 million years

FEEDING AND DIGESTION

• Herbivores(iguanas,turtles)Carnivores(snakes) , insectivore(chameleons)
• When they eat it goes into there mouth
• Then down esophagus
• Into the stomach
• Then out rectum

RESPIRATION

• Reptiles lungs spongy
• Muscles around ribs to help force out air
• Most reptiles have two efficient lungs
• Snakes have one
• Breaths out of trachea and lungs

CIRULATION

• Double-loop circulatory system
• Blood to and from lungs
• Blood to and from rest of body
• Reptile hearts contain two atria and one or two ventricles
• Closed circulation system

EXCRETION

• Urine produced in kidneys
• Sometimes flows through cloaca in tubes
• Excess water absorbed in cloaca
• By eliminating wastes a reptile can conserve water
• Reproduces sexually
• Snakes can molt skin

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SOUCRES

• Www.yourdictionary.com/chordate
• Prentice hall biology pg797 about reptiles
• http://www.mcwdn.org/Animals/Reptile.html