Biology Community Interactions
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Biology Community Interactions

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@ParamountKrypton

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Questions and Answers

What does the principle of competitive exclusion state?

  • Species can share resources without any competition.
  • One species will always dominate in all niches.
  • Competition occurs only when resources are abundant.
  • Two species cannot occupy the same niche in the same habitat at the same time. (correct)
  • Which of the following relationships exemplifies mutualism?

  • Remoras feeding on scraps from sharks.
  • Two species co-existing without interaction.
  • A parasite living on a host and causing harm.
  • Deer and birds where birds eat ticks off deer. (correct)
  • In what type of ecological interaction does one organism benefit while the other is unaffected?

  • Parasitism
  • Commensalism (correct)
  • Mutualism
  • Competition
  • What characterizes predation in ecological interactions?

    <p>One organism captures and feeds on another.</p> Signup and view all the answers

    Which of the following statements is true regarding symbiotic relationships?

    <p>Symbiotic interactions can be mutualistic, commensal, or parasitic.</p> Signup and view all the answers

    Study Notes

    Community Interactions

    • Organisms within a biological community constantly interact.
    • Interactions include competition for resources like food, shelter, and mates.
    • Organisms may also have relationships where they depend on one another for survival.

    Competition

    • Organisms of the same or different species may compete for resources.
    • Competitive Exclusion Principle: Two species cannot occupy the same niche in the same habitat at the same time.

    Predation

    • One organism (predator) captures and feeds on another (prey).

    Symbiotic Relationships

    • Two species living together in close proximity.
    • Mutualism: Both species benefit from the relationship.
      • Example: Deer and birds, where birds eat ticks and fleas off deer.
    • Commensalism: One organism benefits while the other is unaffected.
      • Example: Remoras and sharks, where remoras hitch a ride and feed on scraps of food.
    • Parasitism: One organism (parasite) lives on or inside another (host) causing harm.

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    Description

    Explore the intricate dynamics of interactions among organisms in a biological community. This quiz covers competition, predation, and symbiotic relationships—with a focus on mutualism, commensalism, and parasitism. Test your knowledge on how these interactions influence survival and resource allocation.

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