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Kaburakia excelsa, the giant flatworm or giant leaf worm, [2] is a species of flatworm found on the lower shore and shallow water in the eastern Pacific Ocean. It occurs on the lower shore and shallow sub-littoral zone .
A parasite called Heterobilharzia americana, a flatworm commonly referred to as liver fluke, was behind the illness of the 11 dogs. The parasite normally makes its home in Texas and in the South.
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Free-living flatworms are mostly predators, and live in water or in shaded, humid terrestrial environments, such as leaf litter. Cestodes (tapeworms) and trematodes (flukes) have complex life-cycles, with mature stages that live as parasites in the digestive systems of fish or land vertebrates , and intermediate stages that infest secondary hosts.
After gripping the food, a homolateral turn is followed to bring the anterior portion of the body in association with the food. [1] This way, the food can pass through the anterior margin to the mouth for the flatworm to digest the prey. [1] Compared to a decerebrate flatworm versus the normal flatworm there are different feeding behaviors.
Like other flatworms in the order Polycladida, aside from the two stout tentacles on its head, this species has a remarkably flat, fragile, ovaloid body. As a cotylean flatworm, Praestheceraeus bellostriatus is brightly colored, though unlike its tropical relatives it inhabits relatively cold water.
Planarians are bilaterian flatworms that lack a fluid-filled body cavity, and the space between their organ systems is filled with parenchyma. [5] [13] Planarians lack a circulatory system, and absorb oxygen through their body wall. They uptake food to their gut using a muscular pharynx, and nutrients diffuse to internal tissues.
Cellphones in the coast regions of Northern California and Southern Oregon rang out with an “Emergency Alert” at 10:51 a.m. PST. Tsunami warning issued for California, Oregon coasts after 7.0 ...