Reptiles

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Reptiles

• Reptiles are ectotherms. They have scaly skin
  which help protect them. Some reptiles have legs
  , but some have adapted to moving without legs
  like snakes

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Facts about Reptiles

• Reptiles first appeared on Earth approximately
  340 million years ago.
• Reptiles are divided into four groups Turtles,
  Squamata, Crocodilians, and Tuataras.
• There are 8000 known species of reptiles, the
  most of them are squamata.

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Turtles

• Turtles are the most ancient of the groups, and
  havent changed much since they have been on
  Earth for hundreds of millions of years.
• Reptiles are located on every Continent except
  Antarctica

• .

• Turtles are found in salt
• and fresh water.

• Turtles has protective shells
• which can be used for
• camouflage also.

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Squamata

• The Squamata group includes snakes and lizards.
  Squamatas shed their skin and have jointed jaws
  which make them have a powerful bite.
• Snakes can be found in deserts, forest, lakes,
  stream, and oceans.
• Lizards can be found in forest and deserts.

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Crocodilians

• Crocodilians first appeared around 80 million
  years ago.
• This group includes alligators, crocodiles,
  gharials, and caimans.
• Crocodilians usually live in lakes, oceans,
  rivers, and mangroves.

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Tuataras

• Tuataras are similar looking to lizards but do
  not have jointed jaws like lizards.
• Tuataras used to be spread everywhere but now
  there are only two species.
• They are located in the New Zealand islands.

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Cold Blooded

• Reptiles are cold blooded which means they cannot
  make there own heat, unlike mammals or birds who
  can make there own heat.
• Reptiles need to find environmental sources for
  heat like the sun, basking, and shade

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Reptile Diets

• Squamata- Most small lizards and snakes feed on
  insects and invertebrates.
• Turtles diet are based on if they are
  carnivorous (meat eaters), herbivores (plant
  eaters), or omnivores (meat and plant eaters)

• Crocodilians are carnivorous, they feed on fish,
  birds, turtles, buffalo. They are usually the top
  predators in there environments.
• Tuataras eat insects, small invertebrates, and
  birds

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Reproduction

• Reptiles lay eggs that have tough shells. The
  amniotic egg, contains membranes that protect the
  embryo, which is a undeveloped offspring and
  helps get rid of waste. Many reptiles like
  turtles, give there young little or no help.

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Thank You written by Richard Nguyen,
Brian Munoz, and Andrew Martinez. May 5, 2013
Have a Nice Day (