1. Biodiversity `

2. 1.What is biodiversity? 2. the variety of life in an area 2. 3 types of diversity 3. genetic diversity 4. the variety of genes available to a species

5. 3. species diversity 4. the number of different species in an area

7. 3. ecosystem diversity 4. the variety of ecosystems that are present

9. 1.What are some threats to biodiversity? 2. extinction 3. entire species disappear or die out of a biosphere 2. overexploitation 3. an excessive use of a species that have value 4. example – white rhinos

10. 2. habitat loss 3. a habitat can be destroyed or disrupted 4. example – clearing of rainforests for farming 2. fragmentation of habitat 3. habitats are cut into smaller sections by man made things 4. example – building of roads

11. 2. pollution 3. changes composition of air, soil and water 3. these things enter food webs 4. example - pesticides

13. 2. introduced species 3. nonnative species that are transported to a new habitat 3. reproduce in large numbers because of the lack of predators 4. example – fire ants

14. http://animal.discovery.com/videos/killer- aliens-war-on-invasive-species.html