The Great White Shark
Beginning with the simplest one-celled organism, an extraordinary animal rose in the murky waters entitled to a non-comparable killing-eating machine. This organism has become nature's most genuine and most successful creature that it has remained unchanged for over 250 million years. Nature finally invented the perfect king of the sea. This animal has given the sea it's "living" adjective; in turn, it was entitled-The Great White Shark derived from a series of evolutionary advancements that took several billion years. It began with the derivation of the vertebrates-the Phylum Chordata. Here, the Class Agnotha came to existence. Some features of Agnotha are the presence of a cartilage skeleton, nine gill slits (turning into five gill slits in sharks, where the first four became the jaw), and fins. Sharks belong to the class Chondrichthyes-a more elaborated organism. Jaws derived from the first four gill slits, spiral valve, and productive fins. The fins are amongst the most important advancements made by the Fixed rigid rods support the fins. The sharks have five different types of fins. They have paired fins that lift the shark, as it is ab
It seems that Ernest Hemmingway was right in his book The Old Man and the Sea; if we could reach the stars we would kill them too. The eye has a layer of reflecting plates called the tapetum lucidum behind the retina. Each organism in the creature gives out a small electrical field, and since the water is such a great conductor, this is very advantageous to the shark. It was called Carcharodon megalodon years ago. The lateral lines contain sensory cells called neuromasts. They keep the ecosystem populations low by killing other animals to balance off nature's reproduction. The walls of the tubing are so sensitive that vibrations as far away as eight miles can be felt. They are well suited for seeing in dim light and are particularly sensitive to moving objects. The ampullae detect the weak electrical fields at short ranges. The main function of the red muscles is used just for swimming. The great white can reach a speed of thirty-five miles per hour! When the great white is ready to catch its prey, it first observes the prey very carefully. The release of Jaws in the 1980s gave Americans a bigger fear of this creature. A shark's liver is made of two large lobes that concentrate and store oils and fatty acids.
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