Explain 4 conclusions from island biogeography.

Answer is b)eutrophication occurs when excess nutrients are present in aquatic ecosystems, resulting in the increased production of plant life and the subsequent decrease in the oxygen levels of the watereutrophication occurs when there are excess nutrients in a body of water. this results in plants having more food and reproducing  more, sometimes leading to more aquatic animal life as well. ultimately, this can reduce the oxygen level in the ecosystem. 

Literature had become much more popular and advanced  , and narratives about human behavior, instead of philosophy and religion were being focused on much more . different books about medicinal things were also written , which focused  on surgery and groundbreaking advances in the  procedures of lifesaving practices.

answer: b

explanation: