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Interactions Between Organisms: Cause and Effect

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by

sam k

on 19 December 2013

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Transcript of Interactions Between Organisms: Cause and Effect

Natural Selection
Natural selection is a characteristic that makes an individual better suited to its environment.
Adaptation
Niche
A niche is the role of an organism in its habitat, or how it makes its living. A niche includes the type of food the organism eats, how it obtains its food, and which other organisms use the organism for food.
Interactions
Interactions Between Organisms: Cause and Effect
by Sam K.
Josh L.
and Max B.


Adaption is the behaviors and physical characteristics that allow organisms to live successfully in their environment.

Three of the major types of interactions among organisms are [1] competition
[2] predation
[3] symbiosis.


Competition
Competition- The struggle between organisms to survive as they attempt to use the same limited resource.
Two bears fighting over fish
Predation
An interaction in which one organism kills another for food.
Symbiosis
A close relationship between two species that benefits at least one of the species.
Mutualism
A relationship in which both species benefit.
Commensalism
A relationship in which one species benefits and the other species is neither helped nor harmed.
Parasitism
Involves one organism living on or inside another organism and harming it.
One example is when a bird rests on a hippo and eats parasites off of it. The hippo gets clean and the bird gets food.
One example are barnacles living off of crabs. Neither is affected.
One example is a mosquito sucking blood.
Examples of Adaption
Competition
http://www.nhptv.org/natureworks/nwep1.htm
http://www.shmoop.com/ecology/
http://www.biotopics.co.uk/newgcse/Competition.html

https://www.google.com/search?q=definition+of+survival+of+the+fittest&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a&channel=fflb
http://thebizzare.com/wp-content/uploads/2008/08/animal-fight-8.jpg (competition )
http://creationwiki.org/pool/images/thumb/a/a3/49791126_d67ced4793.jpg/300px-49791126_d67ced4793.jpg * ( Predation )
http://www.biologyreference.com/photos/symbiosis-3778.jpg(symbiosis)
Adaptations In Society

Technology (book to kindle)

Transportation Evolution
Evolution of Communication

Construction (huts to skyscrapers)
Production(stone to to rubber)
Full transcript