You are a junior camp counselor for your summer job. the camp director notices that the younger campers seem to be heavier and less active than the campers who came to the program in the 1990’s. she has asked you to lead an exercise program which focuses on education and activity. two 9 year old campers are running the fitness trail for their cardiovascular exercise. they both run the entire fitness trail together finishing in 27: 45. provide an explanation why each camper would have different lower and upper training zone limits.

Which of the following best reflects what we know about how the flu virus moves between species? a) the flu virus in a pig is mutated and replicated in alternate arrangements so that humans who eat the pig products can be infected.b) a flu virus from a human epidemic or pandemic infects birds; the birds replicate the virus differently and then pass it back to humans.c) an influenza virus gains new sequences of dna from another virus, such as a herpesvirus; this enables it to be transmitted to a human host.d) an animal such as a pig is infected with more than one virus, genetic recombination occurs, the new virus mutates, the virus is passed to a new species such as a bird, and the virus mutates again and can now be transmitted to humans.