The gulf of mexico has several "dead zones," in which very few organisms or signs of life exist. several research teams are interested in finding the pollution source that causes the dead zones. which team would be the least likely to show bias? a) researchers employed by oil companies
b) researchers employed by power plants along the coast
c) researchers employed by the environmental protection agency
d) researchers employed by farmers and landscapers along the mississipi river

Monitor and apply fix up stratorgies

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?