To apply the fitt principles to eating habits we use a. fitness level of the person, intentions (weight loss or weight gain), types of food eaten, and time of day that food is consumed b. filling the stomach, ingesting healthy foods, tracking progress, and talking it over with a professional c. frequency of eating, intensity of calories contained in foods, times a day that you eat, and types of food you eat d. finding healthy foods you like, intensity of the foods on your plate, temperature of the foods eaten, and tracking your progress

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.