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Interactions among Organisms/Adaptations PowerPoint Presentation
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Interactions among Organisms/Adaptations

Interactions among Organisms/Adaptations

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Interactions among Organisms/Adaptations

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  1. Interactions among Organisms/Adaptations

  2. Limiting factors • Resource in an environment is scarce…limits the amount of organisms in an eco system • Carrying capacity = total amount an ecosystem can support Interactions among organisms

  3. 1. Competition = struggle with one another or the environment to survive • 2. Predator/Prey = predator eats prey • Ex. Bird eats worm • 3. Symbiosis = close relationship • Mutualism = both organisms benefit • Commensalism = one organisms benefits, the other is unaffected • Parasitism = one benefits, one is harmed • Ex. Parasite vs host Interactions among organisms

  4. http://www.youtube.com/watch?v=D1aRSeT-mQE You tube—Interactions video

  5. http://www.youtube.com/watch?v=xNm7dg3BiyU Mr. Lee

  6. Habitat = environment in which an organism lives Niche = organisms way of life with in an ecosystem Other Vocabulary

  7. Adaptations = change in… • Behavior • Physical characteristics • Ect. • OR • A characteristic that helps an organism to survive Adaptations

  8. Examples • Viceroy = coloration/markings that mimic another organisms • Ex: A harmful organism (poisonous/undesirable) may mimic or act like another organism (i.e. monarch butterfly - harmless) • Camouflage = coloration to help blend in to surrounding Adaptations