Somewhere out in the ocean a blue whale is swimming. He is a great mass of moving blubber. He is the mightiest animal that has ever lived. His mouth is so big that he can hold a small table. Yet this giant beast has no teeth! His throat is so small that nothing larger than an orange can get through it He can swallow only the smallest of creatures, like lobsters, shrimps, crabs and crayfish is lucky for such toothless creature that there is plankton in the water. This is the rich, thick"soup" of the sea. It floats near the surface of the water and drifts with the currents. It is made up of the tiniest plants and animal in the sea. As the blue whale swims about, his mouth is opened. In this way, he sifts his food out