Frogs

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Frogs

• Information about our favorite little friends
• By Brandon Mathis

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What are frogs?

• Intermediate form between fish and reptiles
• Amphibians
• Most common frogs, toads, and salamanders
• Also linked with birds and mammals

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How did they come about?

• Amphibian Greek word
• amphi meaning both
• Bios meaning life
• Describes cold-blooded animals with a backbone
• Both in and out of water

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More about AMPHIBIANS!

• Approximately 3140 species currently
• Divided into 6 orders
• Anura, Salientia, Urodela, Caudata, Apoda, and
  Gymnophiona.
• Most all frogs fall under the order Anura.
• Toads are rough to the touch, Frogs are smooth
  and rubbery

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Where?

• Found as far north as northwestern swamplands of
  Canada.
• Everywhere expect Antarctica, New Zealand, and
  Greenland.

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Characteristics

• Relatively small
• Most have 4 limbs of some sort
• Flat, wide skulls
• Molt their protective, water absorbing skin
• Sensory organs are fit per the species to the
  area in which they live

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Life Cycle

• Begin as tadpoles or larvae
• Go though metamorphosis
• Develops lungs and the ability to breathe
• Populations growth is controlled by predators and
  death rates

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What they do

• Most live near a source of water
• Can hibernate/stay in a state of inactivity for
  months on end
• Possible communication skillz
• Can read the stars and find their way home

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Frog parts
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Bibliography

• http//www.lookd.com/frogs/index.html
• http//www.thelilypad.org/info/geninfo.php