Darwin's Theory of Evolution demonstrates how species adapt and change over time through natural selection, with a particular focus on how Darwin's finches evolved based on food availability and environmental pressures.
• The theory originated from Darwin's worldwide voyage where he collected specimens and made crucial observations about species variation
• Impact of natural selection on population phenotype is demonstrated through different patterns including directional, stabilizing, and disruptive selection
• Evolution occurs through multiple mechanisms including mechanisms of evolution: DNA mutations and sexual reproduction, which create genetic variation
• Natural selection operates through five key tenets: variation, inheritance, struggle for survival, time, and adaptation
• Evidence for evolution comes from multiple sources including fossils, comparative anatomy, molecular genetics, embryology, and biogeography
