Biology · Biology
Evolution by Natural Selection
Variation, inheritance, selection and time. Darwin and Wallace's idea, the evidence from fossils to DNA, natural selection observed in real time (finches, moths, antibiotic resistance), and the other forces: drift, sexual selection and gene flow.
Step 1 of 6 · Overview35 min read ·
Key idea
Prereqs: DNA, genes & proteins. Next: Genetics & inheritance. Sources: Darwin's *On the Origin of Species* (1859); Peter and Rosemary Grant's Galápagos finch studies; Jerry Coyne's *Why Evolution Is True*; Crash Course Biology #14.Next: 1. The idea