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Entries Tagged as 'science'

Reptiles

April 27th, 2015 · 2 Comments · Uncategorized

The earliest  known reptiles originated around 315 million years ago during the carboniferous period, having evolved from advanced reptile-like amphibians that became increasingly adapted to life on dry land.Modern reptiles inhabit every continent with the exception Antarctica. Reptiles are tetrapod vertebrates, creatures that either have four limbs or, like snakes , being descended from four -limbed […]

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amphibians

April 23rd, 2015 · No Comments · Uncategorized

Early amphibians involved two pairs of joint limbs from fleshy-fins of their fish-like ancestors. Most adult amphibians have 4 limbs with 4 digit on the front limbs and 5 digit on the front limbs and 5 digit on the hind limbs (caecilians are the exception to the rule, having no limbs or digits). of all […]

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Teeth

March 9th, 2015 · 5 Comments · Uncategorized

There are many different types of teeth including Molars, Pre-molars, Canines and Incisors. Teeth are used for chewing,tearing, biting and all sorts of other stuff. The outer shell of a tooth is made out of enamel and the thing under that is made out of something called dentine and the thing under that is a […]

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Hearing

February 6th, 2015 · 6 Comments · Uncategorized

This is what we have been learning about at school and I went home and done some more about hearing . When we hear some thing ,this is what actually takes place : Sound Waves enter the ear Canal and cause the ear drum to vibrate .Vibrations pass through 3 connected bones in the middle […]

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