Biological Diversity – Concept Review The following is a review for the Biodiversity test. You should know the meaning of each of the vocabulary terms shown below. You should also prepare answers to the questions that follow. Several of these questions will appear on the test. Vocabulary: biodiversity, species richness, genetic diversity, ecosystem diversity, ecosystem services, extinction, mass extinction, background extinction, endangered species, threatened species, Habitat fragmentation, biotic pollution, invasive species, Bellwether species (Early warning), endangered species act Essential Questions: 1. Distinguish between biodiversity, species richness, genetic diversity, and ecosystem diversity. 2. Describe several ecosystem services provided by biological diversity. 3. What is the difference between an endangered species and a threatened species? 4. Describe at least 4 characteristics common to many endangered species 5. Describe 4 major human causes of species endangerment and extinction. 6. Describe the reasons that an invasive species can have a negative effect on biodiversity. 7. Explain why preserving biodiversity is important for human health. 8. What is the U.S. law that regulates endangered species? Describe the basic components of the law. Who administers the law? How are species classified? How are species covered by the law regulated? What is the ultimate goal of the law?