<p> Chapter 11 Title: Changes over Time Lesson 3: Biodiversity and Extinction </p><p>Essential : (Know * Understand * Explain) Key Concept(s) 1. How do new species form? 1. A new species can form when a group of individuals remains isolated from the rest of its species long enough to evolve different traits that prevent reproduction. 2. What Factors Affect Biodiversity? 2. Factors that affect biodiversity in an ecosystem include area, climate, genetic diversity, and diversity of niches. 3. Why Do Species Go Extinct? 3. Extinction usually occurs when a species is unable to adapt within changing environment</p><p>Vocabulary Words – Do 4 squares for chapter 11 Lesson 3 vocabulary Biodiversity, extinction, endangered species, threatened species</p><p>Notes: Main Headings – (Blue – Essential Questions) Sub-Headings – Red </p><p>EQ: How do new species form? No Red-Subheadings List three facts  KC: A new species can form when a group of 1. individuals remains isolated from the rest of 2. its species long enough to evolve different 3. traits that prevent reproduction. EQ: What Factors Affect Biodiversity? Blue Headings Area 1.  KC: Factors that affect biodiversity in an 2. ecosystem include area, climate, genetic Climate diversity, and diversity of niches. 1. 2. Genetic Diversity 1. 2. Niche Diversity 1. 2. EQ: Why Do Species Go Extinct? Process of Extinction 1. 2. KC: Extinction and Human Activities  Extinction usually occurs when a species is 1. unable to adapt within changing environment 2.</p>