A) There are 100 million named species.
B) Beetles go extinct more rapidly than other species.
C) Nematodes are so abundant.
D) The fungi bias our samples.
E) none of the above

A) are found at high latitude.
B) contain many endemics.
C) occur where beetle diversity is high.
D) are well protected from human impacts.
E) none of the above

A) density dependent factors can protect a population from extinction.
B) extinction occurs at an exponential rate.
C) the growth rate is positive if N>K.
D) extinction risk is measured by the variable K.
E) none of the above