VOCAB

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VOCAB
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CHELONIATURTLES TORTOISES

• Only reptile WITH shell
• Only reptile WITHOUT TEETH

TURTLES Live in or near water
TORTOISES Stay on land
http//www.perlgurl.org/archives/2006/05/hawaiian_
honu_the_green_sea_turtle.html http//www.carcosa.
net/jason/blog_images/2005/07/04/african-spurred-t
ortoise.jpg
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SQUAMATA

• LIZARDS SNAKES

http//thecontaminated.com/wp-content/uploads/2008
/02/snake-and-kangaroo-1.jpg http//www.crocodileh
unter.com/our-animals/amazing-animals/images/profi
le_157_250.jpg
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JACOBSONs ORGAN

• An extrasensory organ in the roof of a snake's
  mouth
• Sharpens its sense of smell.
• Two hollow, highly sensitive saclike structures
• Allows it to track both prey and potential mates

http//www.kwic.com/pagodavista/schoolhouse/speci
es/herps/snktonge.htm
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Pit vipers, pythons, and some boas have HEAT
SENSING ORGANS

• Pit" organ located between the eye and the
  nostril on each side of the head.
• Detects heat given off by warm-blooded prey

http//www.kwic.com/pagodavista/schoolhouse/speci
es/herps/snktonge.htm
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Constrictors
http//www.thematzats.com/snakes/images/squeeze.gi
f

• Wrap around prey and kill by suffocation
• Ex Boa constrictors

http//www.eastrock.org/brazil/images/bra19.jpg
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VIPERS

• Inject venom with large movable fangs
• Ex rattlesnakes, copperheads, water moccasins

Images from http//www.worsleyschool.net/science
/files/rattle/snakes.html
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ELAPIDS

• Inject venom with small fixed (non-movable)
  fangs
• Ex cobras,
• kraits,
• coral snakes

http//www.kidsturncentral.com/animals/cobra.htm
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AUTOTOMY seen in some lizards

• Self amputation to escape predators
• Cant regrow
• Costly lose muscle/stored fat

http//www.californiaherps.com/lizards/images/ecpr
incipis1dn.jpg
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CROCODILIACrocodiles Alligators
Alligator Rounder U-shaped snout Teeth hidden
when jaw shut Fresh water

• Crocodile
• Long V-shaped snout
• Teeth exposed when jaw shut
• Brackish/ocean water

Images from http//www.animaldanger.com/australia
.php
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RHYNCHOCEPHALIAspiny crested lizard relatives

• Once common
• now only two species of tuatara
• on islands near New Zealand
• Parietal 3rd eye

Images from http//en.wikipedia.org/wiki/Tuatara
http//reptilis.net/rhynchocephalia/overview.html