BIOL 101 Lecture Notes - Lecture 1: Electronegativity, Homeostasis, Organelle
Document Summary
Science: body of knowledge; collection of unified insights about nature; array of facts; a way of learning. Theory: general set of principles supported by evidence that explains some aspect of nature. Provisional agent: info we got is the best that we could do. The nature of biology is the study of life. Observation -> question -> hypothesis -> experiment -> conclusion. Hypothesis: tentative, testable explanation that has not been proven. Experiment: series or actions in controlled environment to examine validity (open, Atom -> molecule -> organelle -> cell -> tissue -> organ -> organ system -> Everything that exists is either matter or energy. Matter: anything that takes up space and has mass. Atom: small units composed of protons,, neutrons, and electrons. Element: substance that is pure, which means it cannot be reduced any simpler through chemical processes; defined by protons in the nuclei.
