Amphibians
Frogs & Toads
Turtles
Reptiles
Snakes & Lizards
Crocodiles & Alligators
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What word means two lives.
Amphibians
What order of amphibians walk by bending from side to side.
Salamanders (Urodela)
These organisms are legless, nearly blind and look like giant earthworms.
Apoda
What type of climate led scientists to believe that amphibians first evolved in the Devonian period?
Cycles of drought, heavy rain, and drought again.
What are the 3 orders of Amphibians?
1.Urodela 2.Anura 3.Apoda
What family are frogs in?
Ranidae
What family are Toads in?
Bufonidae
Means eggs that hatch inside the uterus?
Ovivaporous
What are 2 ways toads defend against predators?
Camouflage Produce: bad tasting mucus poison
List 2 differences between Frogs and Toads?
Frogs Smooth Skin Long legs Eggs in clusters Toads Warty dry skin Short legs Eggs in chains
What order are Turtles in?
Chelonia
What are the two types Chelonians?
Turtles & Tortoises
What is the worlds largest Tortoise?
Giant Tortoise from Galapagos Islands
Turtles have not changed since what era?
Mesozoic Era
What is the difference between a turtle and a tortoise?
Turtles are reptiles that live in water, tortoise is a turtle that lives on land.
Cold-blooded animals are called?
Ectotherms
The ectotherms body temp. is regulated by?
The outside environment (outside temp.)
What is the name of the group of extinct reptiles ?
Dinosaurs
What was the name of the group of flying dinosarus?
Pterosaurs
This means that the young develop in the uterus?
Viviparous
What order are the lizards and snakes in?
Squamata
In the order which are more numerous?
Lizards
How do Lizards & Snakes survive the winter?
Hibernation, Burrowing underground
What are the modified front teeth of Snakes called (hint: they deliver poison)?
Fangs
Snakes used to have legs but now do not, but they still have the pelvic bones what type of structure is this called?
Vestigial
What is the order Crocodiles & Alligators in?
Crocodilians
Which animal has a “V” shaped snout?
Crocodile
Which animal has “U” shaped snout?
Alligator
What is their closest living relative?
Birds
Name one other difference between a Croc. & a Gator?
1.Crocs upper and lower jaws are the same width so that their teeth show interlocking when the mouth is shut. 2.Gators have a wider upper jaw and only show the upper teeth.