PSYC 2000 Lecture Notes - Lecture 29: Crime Scene, Eukaryote, Chickenpox
Document Summary
Shouldn"t say you believe in a theory. Crime scene investigation - assess, evidence, hypothesize or theorize. Analyze, get evidence, come up w plausible simple explanation. Hypotheses can build to make a theory. Theory of evolution proposed by more than just darwin. Family tree of life = theory; it can change! Theories can be wiped out completely = pasteur- spontaneous generation of life. Lineage - red bc theyre multicellular from unicellular species. Common ancestor of all life - first cells on planet. Theory of evolution describes how life has changed over the last 4 billion yrs to make all the species today. Darwin - origin of species (1859) - proposes theory of evolution. Original ideas tweaked to make it sound better. All cells come from preexisting cells is a theory that is pretty set in stone; will change if we make a new observation. Simplest explanation can be traced back to common ancestors.
