Introduction (1)What is the “big” question the book will attempt to answer? "Why would evolution allow seemingly harmful genetics t be passed through the gene pool?"
Chapter I (2)The author points out many ways in which iron impacts life. Identify/describe at least five. 1. Hemoglobin to carry oxygen 2. oceans "seeded" with iron can hold more oxygen producing organisms. 3. Parasites feed on human iron. 4. Cancer cells thrive on human iron 5. High levels of iron can counter-act the effects of antibiotics, by feeding the bacteria to the point that they can live despite the antibiotics (3)In the context of this chapter, explain the author’s reference to Bruce Lee and to the …show more content…
During the slave trade, the Africans were forced to America in awful conditions including dehydration. Africans with a natural propensity to have higher levels of salt were more apt to survive. When the Africans eventually became prominent in the Americas, their diet was high in salt, and they contract hypertension easier than a native or European. Asian flush; drinking water
Asian water was boiled and turned into tea for drinking. In Europe, they fermented their water, making alcohol. The cultures became used to these conditions and their bodies did also. When Asians decided to go elsewhere in the world, they had to be assimilated into other cultures. This meant having to eat and drink the other cultures. Alcohol was a big part of European culture, and they developed chemicals to help their bodies digest it properly. Asians did not have these chemicals, so when they drink alcohol, they don't digest it properly, resulting in Asian flush.
e.skull shape; climate
Skull shape may have evolved in order to store heat in different ways, depending on climate.
f.body hair; malaria
Dense body hair may have been a defense against malaria-carrying mosquitoes, by having a sweater-like lining of hair. (11) What’s so fishy about the Inuits skin color?
The Inuits have dark skin but a limited amount of sunlight. This is because their diets are full of fatty Vitamin D carrying fish, so they got their vitamin D, but