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Relationships in the Ecosystem

Relationships in the Ecosystem. What are the types of relationships?. Predator / Prey Competition Symbiosis A) commensalism B) mutualism C) parasitism. Predator / Prey. Predator = animal that hunts another animal for food. Prey = animal that is eaten by another.

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Relationships in the Ecosystem

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  1. Relationships in the Ecosystem

  2. What are the types of relationships? • Predator / Prey • Competition • Symbiosis A) commensalism B) mutualism C) parasitism

  3. Predator / Prey Predator = animal that hunts another animal for food. Prey = animal that is eaten by another. Predator / Prey populations will change in response to each other’s population.

  4. Predator / Prey

  5. Competition …when 2 organisms or species have the same niche they will compete for resources. The “loser” will either have to leave, get another niche or die.

  6. Symbiosis …the relationship between different species living in close association with one another. There are 3 types of symbiotic relationships.

  7. 1) Mutualism …both organisms benefit. EX: Lichen (moss & algae), Clown fish & sea anemone

  8. Mutualism

  9. 2) Commensalism …one organism benefits, the other isn’t helped or harmed. EX: Whales & Barnacles

  10. Commensalism

  11. 3) Parasitism …one organism benefits (parasite), the other is harmed (host) Parasite- organism that gets nutrients at the expense of another organism or lives on / within another. EX: tapeworms, pinworms, ticks, etc…

  12. Parasitism

  13. Parasitism

  14. The End

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