1. Name _____________________________________ Date _________________ Per ____
Chapter 15 & 16 Evolution
Study Guide
• What did Darwin observe at the Galapagos islands? What did he suggest about the
evolution of the species there?
• What was Lamarck’s theory of evolution?
• What did Thomas Malthus say about populations?
• What is the source of variations in artificial selection?
• What was Darwin’s theory of natural selection?
• What is an adaptation?
• What is the result of natural selection?
• Homologous structures? What are they, what do the suggest?
• Vestigial structures. What are they, what do they suggest?
• What is a population?
• What is a gene pool?
• What are the main sources of genetic variation?
• Compare the phenotypes of a single gene trait to a polygenic trait
• What is directional selection?
• What is stabilizing selection?
• What is disruptive selection?
• What is genetic drift?
• What is the founder effect?

2. • What is genetic equilibrium?
• What conditions are required for genetic equilibrium
• What is reproductive isolation?
• What is behavioral isolation?
• What is geographical isolation?
• What is temporal isolation?
• Understand the steps of speciation of the Galapagos finches
• What is speciation?
• Know how to use chart from the lab beaks of the finches