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Biology Chapter 2.1

Biology Chapter 2.1. Organisms and Their Environment. 2.1 Organisms and Their Environment. Ecology- study of organisms and their environment Biosphere – high in atmosphere to bottom of ocean. Provided by the SeaWiFS Project, NASA / Goddard Space Flight Center and ORBIMAGE . .

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Biology Chapter 2.1

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  1. Biology Chapter 2.1 Organisms and Their Environment

  2. 2.1 Organisms and Their Environment • Ecology- study of organisms and their environment • Biosphere – high in atmosphere to bottom of ocean Provided by the SeaWiFS Project, NASA/Goddard Space Flight Center and ORBIMAGE.

  3. Biotic Factors = Living Abiotic Factors = Nonliving 2.1 Organisms and Their Environment www.mass.gov/.../images/multiLayerForest.jpg www.stock-photography.co.za/stock%20photograp... www.tworiversmarina.com/Mississippi%20River%2... earthguide.ucsd.edu/.../acct/lzace/jellyfish.gif

  4. 2.1 Organisms and Their Environment • Levels of Organization • Individual • Population • Biological community • Ecosystem www.knowledgebank.irri.org/.../image3.gif

  5. 2.1 Organisms and Their Environment • Habitat – where an organism lives • Can be changed by natural causes or humans www.ohvec.org/.../mountaintop_removal/007/57.jpg upload.wikimedia.org/wikipedia/commons/thumb/...

  6. 2.1 Organisms and Their Environment • Niche- a position a species has in its environment • No two sp. Can exist in the same niche in the same place at the same time • One will gain control over resources • The other must adapt, move elsewhere, or go extinct. y2u.co.uk/.../I_zq5/RN_Animal_Giraffe_1.jpg

  7. 2.1 Organisms and Their Environment www.unu.edu

  8. 2.1 Organisms and Their Environment • Survival Relationships • Predator / Prey Relationship www.tiem.utk.edu/.../pred-prey.gph1.gif

  9. 2.1 Organisms and Their Environment • Survival Relationships • Symbiotic Relationships • Commensalism • Remora/Shark • Barnacles on whales • Mutualism • Bacteria in lg intestines • The Nile crocodile and the Egyptian plover • N-Fixing Bacteria and plants • Parasitism • Tapeworms • Fleas, Lice • Mistletoe www.dkimages.com/.../previews/887/45066290.JPG www.warrenphotographic.co.uk/.../cats/00955.jpg www.abc.net.au/.../img/f_barnacles.jpg www.scubaduba.com/gallery/shark2.jpg

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