Describe the function and components of the mucosal barrier of the stomach. Protects the stomach from autodigestion Components Thick coating of bicarbonate-rich mucus Tight junctions of the epithelial cells Plasma membrane of gastric glands are impermeable to HCl.
World Range & Habitat. Sea lampreys, Petromyzon marinus, are found only in the Mediterranean and North Atlantic, in the coastal seas off the North East USA, Nova Scotia, southern Greenland, the UK, Ireland and Scandinavia. They are also found in the Great Lakes and enters inland freshwater rivers and streams to breed.
In Texas, Mediterranean Geckos occur around homes and other buildings in Texas. They are widespread across the Galveston-Houston region. The Mediterranean gecko is an introduced species; it is native to Southern Europe and Northern Africa. Geckos have adapted well to living in and around homes.