Download SHARKS Report Text

SHARKS
General
Classification
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Discription
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:Sharks Definition
:Shark’s Detection System
:Shark’s Eggs
:The Most Dangerous Shark
:Shark’s Enemy
Lexicogramaticall :Simple Present Tense
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Sharks Definition
A Shark is a carnivorous fish that can be
found all over the world.Many people
think,shark is a dangerous creature.But,from
350 species,only 27 species which have ever
attacked people.In fact,many sharks only eat
fish.
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Shark’s Detection System
A Shark has a perfect detection system
to cacth its prey.It can smell blood in radius of
100m.The other system is lateral line.Using it,a
shark can detect the wave movement that is
caused by its prey.A shark can also detect its
prey’s electrical wave,using a detector that is
called Lorenzini Blister.
Mermaid’s pocket
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Shark’s Eggs
Shark is an ovipar animal.In many
species,the shark’s eggs hatch inside its
parent’s body,and will go out alive after they
hatch. But,one of some species, like a dogfish
shark,it will put its eggs outside the parent’s
body.Then, it will go away,and let the eggs
hatch itself. The shark’s eggs are growing
inside a pocket,called “Mermaid’s pocket”.One
egg is in one pocket.
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The Most Dangerous Sharks
Many people think,the most dangerous
shark is Great White Shark that can reach more
than 6 meters long.Although it has a “maneater” reputation, In fact,This shark seldom
attacks people .They usually just eat seal or
fish.On the other side,the biggest shark isn’t a
dangerous animal.It only eat plankton.
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Shark’s Enemy
Sharks also have enemies including the
other sharks,whales,dolphin,and human.
Dolphin and whales can beat a shark easily.In
a battle,a dolphin will attack the shark’s belly
using its spout.However,the shark’s primary
enemy is human.
THE END