Bile is select one: a. secreted by hepatocytes (liver cells) only. b. manufactured by the gallbladder only. c. released into the stomach only. d. secreted by hepatocytes and manufactured by the gallbladder. e. secreted by hepatocytes, manufactured by the gallbladder, and released into the stomach.

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.