Imagine an experiment wherein participants were told of a previously unknown tribe living on a Pacific island. Only one member of this tribe had been observed so far, and he was found to be obese. When asked how likely it was that all members of the tribe were obese, participants were unwilling to extrapolate this information. This shows that participants
a.
were using the representative heuristic.
b.
had prior beliefs about these islanders.
c.
are sometimes sensitive to the sample size and can take this into account when making a judgment.
d.
are unwilling to make a judgment, as they are wary of making an error.

Recall that areas with high net primary productivity not only produce high levels of biomass rapidly, they also take up large amounts of co2 and give off large amounts of oxygen. what is the likely result of the increasing amounts of sediments and fertilizers in the major rivers emptying into oceans and affecting algal beds, reefs, swamps, and estuaries? a fisheries will improve as the extra nutrients feed shellfish and fish. b eutrophication, followed by hypoxia, is a likely result, ultimately leading to less co2 uptake and more oxygen released. c productivity in these areas will increase permanently, leading to more co2 uptake and more oxygen released. d eutrophication, followed by hypoxia, is a likely result, ultimately leading to more co2 uptake and more oxygen released. e eutrophication, followed by hypoxia, is a likely result, ultimately leading to less co2 uptake and less oxygen released.