Biology chapter 2 1
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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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Biology chapter 2 1

Biology Chapter 2.1

Organisms and Their Environment


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.


2 1 organisms and their environment1

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


2 1 organisms and their environment2

2.1 Organisms and Their Environment

  • Levels of Organization

    • Individual

    • Population

    • Biological community

    • Ecosystem

www.knowledgebank.irri.org/.../image3.gif


2 1 organisms and their environment3

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/...


2 1 organisms and their environment4

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


2 1 organisms and their environment5

2.1 Organisms and Their Environment

www.unu.edu


2 1 organisms and their environment6

2.1 Organisms and Their Environment

  • Survival Relationships

    • Predator / Prey Relationship

www.tiem.utk.edu/.../pred-prey.gph1.gif


2 1 organisms and their environment7

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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