Sunday 4 September 2011
Saturday 3 September 2011
Friday 2 September 2011
Know about Shark
* Shark can detect one drop of blood in a million drops of water (25 gallons or 100 liters) and can smell blood 0.25 mile (0.4 km) away.
*They even have good vision in dim light.
*Sharks that live deeper in the oceans usually have larger eyes than those that live nearer the surface.
*Shark detect electricity, which is emitted in small amounts by every living animal.
*It may also serve to detect magnetic fields which some sharks may use in navigation.
*Sharks can get pregnant without fertilization of a male.
Thursday 1 September 2011
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