In a researcher's lab in the eeb department at um, they expose small crustaceans to infectious diseases. an undergrad working in this lab put 3 infected hosts in a beaker with 15 uninfected hosts. 6 of the uninfected hosts became infected. what is ro for this disease?

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.