Biodiversity

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1. What is biodiversity?2. the variety of life in an area2. 3 types of diversity

3. genetic diversity4. the variety of genes available to a

species

3. species diversity4. the number of different species in

an area

3. ecosystem diversity4. the variety of ecosystems that are

present

1. What are some threats to biodiversity?2. extinction

3. entire species disappear or die out of a biosphere2. overexploitation

3. an excessive use of a species that have value

4. example – white rhinos

2. habitat loss3. a habitat can be destroyed or disrupted

4. example – clearing of rainforests for farming

2. fragmentation of habitat3. habitats are cut into smaller sections by

man made things4. example – building of roads

2. pollution3. changes composition of air, soil and

water3. these things enter food webs

4. example - pesticides

2. introduced species3. nonnative species that are

transported to a new habitat3. reproduce in large numbers because

of the lack of predators4. example – fire ants

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