Chapter 1: Introduction to the Chemistry of Life Matching A) phylogenetic B) negative C) H2O D) H° E) H – TS F) halobacteria G) open H) entropy I) flux J) polymers K) G° L) thermophiles M) nitrogen N positive 1. The most abundant molecule in the human body is _____. Ans: C Level of Difficulty: Easy Section: 1.1.A Learning objective: The Origin of Life 2. During chemical evolution, small organic molecules condense to form more complex molecules called ______. Ans: J Level of Difficulty: Easy Section: 1.1.B Learning objective: The Origin of Life 3. Evolutionary relationships can be visualized using a ______ tree. Ans: A Level of Difficulty: Easy Section: 1.2.C Learning objective: Cellular Architecture 1 4. The organisms most likely to be found in a brine environment would be ______. Ans: F Level of Difficulty: Easy Section: 1.2.C Learning objective: Cellular Architecture 5. The organisms most likely to be found in high temperature environments would be ______. Ans: L Level of Difficulty: Easy