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Concept : What is a reptile?. Animal Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Sauropsida Order: Reptilia. Critical Attributes. Animal that crawls or moves on its belly or on small short legs
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Concept : What is a reptile? Animal Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Sauropsida Order: Reptilia
Critical Attributes • Animal that crawls or moves on its belly or on small short legs • Air-breathing; respiration by lungs • Vertebrates • Body usually covered with scales, shields or bony plates • Cold-blooded, meaning they get their body heat from the environment • Legs are anchored at the side of the body • Peg-like teeth • Toes have claws
Snake • Respiration by lungs • Well-developed nervous system • Bony endoskeleton
Tortoise • Protective shell • Shell bones covered with broad scales • Legs are anchored at the side of the body
Alligator • Dry, scaly skin • Scales not separate, detachable structures • Blend well with their surroundings
Iguana • Has a backbone • Tough, horny scales • Relies on keen senses to find food and evade predators
Negative Attributes • Covered with hair or fur • Feathered • Winged and able to fly • Scales are separate, detachable structures • Don’t breathe in air • Warm-blooded • Mammary (milk-secreting) glands • Most mammals bear live young • Elaborated teeth • Legs are under the body
Fish: non-reptile • Scales are separate, detachable structures • Does not breath air
Lion: non-reptile • Covered with hair • Warm blooded • Bear live young
Koala: non-reptile • Covered with fur • Warm blooded • Elaborate teeth
Bird: non-reptile • Feathered • Winged and able to fly • Legs are under the body
Reptile or non-reptile? • Decide whether or not each animal in the following photos fits into the category of reptiles.
Bird • Feathered • Winged and able to fly
Sea Turtle • Skin is scale • Breathe in air • Cold-blooded, meaning they get their body heat from the environment
Bison • Covered with hair • Mammary (milk-secreting) glands • Elaborated teeth
Snake • Cold-blooded • Does not rely on energy from food to generate body heat • Lay eggs on dry land
Giraffe • Covered with hair • Warm-blooded • Give birth to live young
Lizard • Able to change the color of their skin • Legs are anchored at side of the body
Crocodile • Dry, scaly skin • Scales not separate, detachable structures • Toes have claws
Students form into groups Generate your own examples of positive and negative examples of reptiles. Discuss and present your examples to the class through any of the following: • Graphic Organizer • Writing a short essay • Presentation (computer or poster)