Which of the following discoveries is most crucial to explaining why all organisms share the same genetic code? Vesicles containing the same organelles
Microspheres' similarities to modern meteorites
RNA's ability to self-catalyze
DNA's ability to absorb carbon molecules

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.