Which question is a biologist most likely to ask after seeing this graph?
a. did the observer make the wrong observations in generation 5?
b. how many individuals were observed in each generation?
c. is there a theory that explains the results in the graph?
d. will the frequency of the alleles in this population change again?

the answer to you question is   jet streams

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.