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BIODIVERSITY & HUMAN IMPACT PowerPoint, Notes & Practice Q’s

BIODIVERSITY & HUMAN IMPACT PowerPoint, Notes & Practice Q’s. Biodiversity : all the different organisms in an area. HIGH in ocean & rainforest. LOW in desert & tundra. Stable Ecosystem. HABITAT - organism’s environment. NICHE - organism’s way of life (role). ADAPT - respond to change.

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BIODIVERSITY & HUMAN IMPACT PowerPoint, Notes & Practice Q’s

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  1. BIODIVERSITY &HUMAN IMPACTPowerPoint, Notes & Practice Q’s

  2. Biodiversity: all the different organisms in an area HIGHin ocean & rainforest LOWin desert & tundra Stable Ecosystem HABITAT - organism’s environment NICHE - organism’sway of life (role) ADAPT - respond to change RESILIENCE - recover from disasters BALANCE - nutrients & resources

  3. HOW do humans mess up the balance?

  4. abitat Destruction nvasive Species H I P P O ollution opulation Grown verhunting

  5. HABITAT DESTRUCTION

  6. DEFORESTATION: Clearing trees DRAINING WETLANDS: Filling in ponds/lakes Disrupt food chain Migrate or become endangered/extinct More CO2, Less O2 Space for building Room for crops Food, lumber, medicine, paper

  7. INVASIVE SPECIES

  8. NO NATURAL PREDATORS Reproduce quickly Compete with natives for resources NON-NATIVE: Not originally from area Kudzu, Zebra Mussels, Burmese Pythons Control environmental problems Accident or for exploitation

  9. POLLUTION

  10. Global Warming Acid Rain Killing animals & plants AIR: burning fuels WATER: sewage & runoff LAND: landfills CONVENIENCE More humans = Use more resources

  11. 3x amount of people 1950-2000 URBANIZATION(developing cities) Better medicine & treatments More opportunity in cities Less resources for ecosystems Rise in CO2 levels (global warming)

  12. Food, clothing, medicines Fun/sport Biodiversity loss Greater risk of endangered / extinct Hunting & Poaching Overfishing

  13. #1 #2 #3 #4

  14. #5 #6 #7 #8

  15. #9 #10 #11 #12

  16. #13 #14 #15 #16

  17. #17 #18 #19 #20

  18. #21 #22 #23 #24

  19. ANSWER KEY

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