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Presentation transcript:

Learning Targets “I can…” Define “biodiversity” List the four levels of biodiversity Provide an example of each of the four levels of biodiversity. State the five biggest threats to biodiversity in our world. Explain how species diversity is decreased by human disturbance under most circumstances.

Chapter 6: Humans in the Biosphere Biodiversity Chapter 6: Humans in the Biosphere

What is biodiversity? 1. Biodiversity is: a. the variety or richness of life at all structural levels (molecular/genetic, species, ecosystem). b. an essential renewable resource. c. exploited and depleted by human activities 2.The current rate of biodiversity loss is comparable to previous extinction events.

What is Biodiversity? Journey through the Ndoki Forest

What is Biodiversity? 3. The variety of life at all levels of organization a.Genes b. Individuals c. Populations d. Species e. Communities f. Ecosystems g. Global

What is Biodiversity? 4. Example California Congo Biological Diversity Worksheet

How do humans affect biodiversity?

How do humans affect biodiversity? H Habitat loss, including that caused by human-induced climate change. I Invasive species harmful aliens, including predators, diseases, and competitors that displace native species P Pollution Oil spills, human agricultural waste, fertilization, pesticides, acid deposition, greenhouse gases etc P Population, Human overpopulation to be exact, a root cause of the other four factors O Overharvesting, Overuse hunting, fishing, gathering

References http://www.ngsprints.co.uk/images/M/459860.jpg http://www.digitalfrog.com/resources/archives/strata.jpg http://www.geography.hunter.cuny.edu/~tbw/wc.notes/15.climates.veg/veg.images/rainforest/rainforest.structure.diagram.jpg http://www.hhmi.org/biointeractive/putting-food-table?utm_source=BioInteractive+News&utm_campaign=ecda1a5c54-BioInteractive_News_Vol_299_2_2014&utm_medium=email&utm_term=0_98b2f5c6ba-ecda1a5c54-69212481