BIOL 1201 Chapter : LEC1
Document Summary
Science: the use of evidence to construct testable explanations and predictions of natural phenomena, as well as the knowledge generated through this process. Science originates in questions about the natural world. Employ a variety of techniques to investigate the natural world. Make their explanations public through presentations and publications. Critique the explanations proposed by other scientists. In discussion section of publications: reviewing manuscripts and grant proposals. Cell/body temperatures from -2 c to 132 c. Range of pressures: 1atm to 1100 atm. Conditions at the average depth of the ocean: 2c to 4c, 380 atm of pressure, no sunlight. The most common habitat for life on the planet: Organisms confront a variety of problems due to their environment. Antarctic fishes: live (and have body temps) at -2c (below the freezing temp of most vertebrates) (exotherms, use antifreeze. Penguins: keep warm at similar temps (endotherms, keep insulated.
