Study Questions for Article 1

794 WordsJan 12, 20154 Pages
Mike Wilk BIO 101 STUDY QUESTIONS FOR ARTICLE FOR TEST 1 1. What are the major selective advantages of the following? * Coughing response- The major advantage for having a coughing response is the ability to clear foreign matter from your throat. * Pain sensation- The major advantage for having pain sensation is the ability to avoid loss of blood supply to your joints, by knowing when to switch positions. * Fever in response to infection- The major advantage for having a fever in response to an infection, is that it facilitates the destruction of pathogens. * Reduced blood iron in response to infection- The major advantage to having reduced blood iron in response to infection is that iron sequesters into the liver, which prevents invading bacteria from getting adequate supplies of this vital element. * Nausea during pregnancy- The major advantage to having nausea during pregnancy is an adaption where the mother protects the fetus from exposure to toxins. The mother does this by restricting her intake of strong-tasting, potentially harmful substances. * Fearfulness- The major advantage to having fearfulness is that it allows humans a defense in dangerous situations by prompting escape and avoidance. * Nasal mucous secretion in response to a cold virus- The major advantage to having nasal mucous secretion in response to a cold virus is that it can expel intruders. 2. If carried to extremes, some of these could be harmful. Give three examples, from the list. * Fearfulness- There are people who experience too much anxiety, it takes over their lives and can potentially lead to suicide. * Nausea during pregnancy- Nausea during a critical time in a woman’s pregnancy can be harmful because of lack of hydration. It is also possible that the fetus can miss out on vital nutrients, due to the mother throwing up. * Coughing

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