What structure in the retina is primarily responsible for night vision as opposed to day vision?

Which of the following is the most likely outcome of global warming

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.

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities