Cheap Jerseys

The impulsive feeding habits of coral Corals have far more complex and sophisticated nervous systems than anyone had previously thought,Cheap Jerseys according to two marine biologists in Australia. They have found a coral which coordinates its feeding with the aid of a 'through-conduction system' of electrical impulses. Corals consist of large numbers of polyps, tiny tube-like fleshy cylinders, which are open at the top and ringed by waving tentacles that sting and draw in prey. Because corals are related to sea anemones and jellyfish, biologists assumed they functioned in the same way, with their different parts acting largely independently. It was thought, for example, that individual polyps caught and digested their own food in an uncoordinated fashion, even though nutrients are known to pass between the polyps to the whole colony. Now Ian Lawn and Ian McFarlane of the University of Queensland have identified a through-conduction system that coordinates the feeding of a fungus-like hard coral known .