Monday, April 29, 2013

April 24

Um I'm pretty sure Mrs. Wood has our notes on the video but she lost them and did not return them so I will just get facts of amphibians from the internet.

1.) Amphibians are devised into three groups: frogs, toads, and caecilians.
2.) There are 5,000 to 6,000 known amphibians alive today.
3.) The first Amphibians appeared approximately 370 million years ago during the Devonian Period.
4.) The largest Amphibian is the largest Chinese giant salamander.
5.) The largest number of threatened Amphibians are found in Columbia, Mexico, the Caribbean, and Ecuador.
Amphibians are reliant on water because they need it to reproduce and to protect their eggs which do not have protective shells.  When assessing water quality, Amphibians are an important consideration because the healthier the place is, the more populated that area will be of Amphibians.  If their population is decreasing, it commonly means the water is bad.

This is the Chinese Giant Salamander.  (crazy right)            

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