How Sharks Survive

We know sharks are now endangered creatures. But how do they really survive? By, seeing their physical characteristics, it seems that they are more advantage compared to other sea water animals. They have spine, muscles, Intestines, fins, snout and mouth with large teeth.

How Sharks Survive

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Animal Threats
Check this image of animal threats.
Shark Attack Zones
Around the world there are already 194 people have died just because of shark inflicted wounds in past year 1788, but there are really 700 attacks in total.  
Shark Facts
Sharks maybe dangerous but they worth a lot of dollar. This is a good way to earn money. But because of this a lot of people died. In 1999-2009 an average of fewer than five people died because of shark attacks each year worldwide, but every year an estimated of 73 million sharks are killed by human but in year 2009, shark fishing has been ban already due to it might lead to extinction also.
Overfishing
Due to over fishing, large predatory fish stocks are already gone for-ever unlike in 1900 in which there are six times more fish than 2009.
Cats vs Dogs
Cats and dogs are known to be enimies and their war is an endless one. Dogs are descenteds from wolves while cats belong to the felidae family.Cats have better sense of hearing than dogs while dogs have better sense of smell.Dogs are omnivorse while cats are carnivorse. Cats needs taurine and arachidonic acid to survive while dogs naturally produce the acid and dont require as much taurine. 
Dog Barking Facts
Did you know that even dogs are descended from wolves, they bark for different reasons. Wolves only barks when there are alarm or threat while dogs bark anytime like, they are asking to feed them or they want to play with you.Aside from dogs, there are also other animals that barks like prairie dogs, foxes, sea lions, monkeys and deer.When there are lots of animals bar, there are also dog that doe...
Whaling Industry
Whales are just some of the animals that are not so lucky. In 20th century, they were killed and uses the whale fat (blubber) as a fuel and lubricating oils, while the whale ambergris is uses for perfume and the whalebones is to produce corsets.  In 1910 - 1979 there are 2.4 million whales have been killed, and now there are already under the threat of extinction.
Shark Diving Depths
Not all sharks can go in the deepest part of the water. Grey nurse shark can only spend at 10-190 meters deep, while Great Hummerhead spend from 0-275 meters, Tiger sharks is 0-350 meters, Whale sharks is 0-700 meters while the Great White Sharks is 0-1280 meters.
Cat Communication
Cats communicate just a slow blink of their eyes, it means already a hello. Prolonged eye contact to them can indicate a threat.Dilated pupils accompany fear or excitement and forward whiskers indicate curiosity or happiness.
Bulbasaur Anatomy
Do you know bulbasaur? Bulbasaur is the combination of bulb and dinosaur. It can be seen in an anime called pokemon.Bulbasuar ability is through his vines in his back. The vines was merging with the spinal cord allowing signals from the brain to pass to the plant.
Bee Colors
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Undersea Biology
Have you ever been underwater universe? It's sound so cool and amazing. You can find lots of living things in there, like school of fishes, mature corals that can live thousands of years. There are also some dangerous animals like lion fish that are so venomous, and the mysterious whale song that until now scientist still not agree of what their really purpose on it, you can also found a manta ray...
Bluefin Tuna
Blue fin tuna has been illegaly sold in black market. And its been a widespread fraud duing 1998 to 2007.  
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Check this dinosaur sizes compared to human. It shows that we're just like ants to them.
VI - Insects B
Do you know how many insects here on earth? Well, maybe there are still some species on it that are not yet discovered. Try to look at this image below, you might saw one of this in your place. This are just some insects that are not so common with us, or it cant be seen always by human.
Bird Anatomy (1)
Are all birds the same? Let us see this image if all birds has it.
Endangered Species
Today there are about 900 species of plants and animals have gone extinct already for the last five centuries.Take a look at this image where some countries have the greatest potential for both disaster and improvement.