Author Question: Biodiversity in extensive dead zones of both freshwater and marine ecosystems is mainly caused by ... (Read 112 times)

future617RT · **on:** Jul 16, 2018

Biodiversity in extensive dead zones of both freshwater and marine ecosystems is mainly caused by pollution from

A) endocrine (hormone) disruptors.
B) DDT.
C) nitrogen and phosphorus nutrients used in agriculture.
D) untreated sewage from most large U.S. cities.

Question 2

Burmese pythons

A) have recently spread from their native southeast Asia to Africa and Europe.
B) are an exponentially increasing invasive species released by pet owners into Everglades National Park.
C) released into the wild have resulted in increases in small animal populations in south Florida.
D) successfully control invasive feral boar populations in North Carolina.