BIO 227 Study Guide - Midterm Guide: California Floristic Province, Biodiversity Hotspot, Gamma Diversity
Document Summary
Key concepts exam one- answers: context: the human footprint. Global population: current size: 7. 349 billion, annual growth rate 1. 2 % (78 million added per year) 3 most populous nations in the world, u. s. rank: 1. U. s. a majority of global growth is occurring: developing nations estimated global population by 2050: 9 billion, most of the growth will occur in developing nations consumption ecological footprint us average v. world average: u. s. a- 24 acres world- 5. 4 acres with our standard of living all over the world how many planets would we need to sustain life: personally, 4. 5 planets: biological diversity. Biodiversity: variation of life at all scales, the variety and variability of life. Conservationist: someone who advocates or practices the sensible and careful use of natural resources. Preservationist: advocates allowing some places and some creatures to exist without significant human interference. Environmentalist: someone who is concerned about the impact of people on environmental quality. Ecologist: studies the relationships between organisms and their environment.
