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Ninth Grade (Grade 9) Symbiosis Questions

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Grade 9 Symbiosis
A tapeworm feeds off the nutrients in your digestive tract, enriching itself at your expense. Why is this relationship is an example of parasitism?
  1. One organism benefits while another is harmed.
  2. One organism benefits while another is unaffected.
  3. Both organisms benefit.
  4. None of the organisms benefit or harmed.
Grade 9 Symbiosis
When bees gather pollen to eat, they also help to spread that pollen to other plants, fertilizing them. Why is this is a classic example of mutualism?
  1. One organism benefits while another is unaffected.
  2. One organism benefits while another is harmed.
  3. Both organisms benefit.
  4. None of the organisms benefit or harmed.
Grade 9 Symbiosis
Which term does NOT refer to a type of symbiotic relationship?
  1. commensalism
  2. mutualism
  3. parasitism
  4. predation
Grade 9 Symbiosis
What is symbiosis?
  1. population separation
  2. the state of stability ecosystems are in
  3. organisms receiving benefits from each other
  4. the transformation of an organism into adulthood
Grade 9 Symbiosis
In what type of relationship does one organism benefit while the other organism is harmed?
  1. parasitism
  2. commensalism
  3. mutualism
  4. competition
Grade 9 Symbiosis
In what type of relationship do all involved organisms benefit?
  1. parasitism
  2. commensalism
  3. mutualism
  4. competition
Grade 9 Symbiosis
In commensalism, which statement is true?
  1. One organism benefits while another is unaffected.
  2. One organism benefits while another is harmed.
  3. Both organisms benefit.
  4. None of them are benefiting.
Grade 9 Symbiosis
In predation, which of the following is true?
  1. One organism benefits while another is harmed.
  2. One organism benefits while another is unaffected.
  3. Both organisms benefit.
  4. None of the organisms benefit or harmed.
Grade 9 Symbiosis
Select all the terms that are a type of symbiotic relationship in an ecosystem.
  1. commensalism
  2. mutualism
  3. predation
  4. parasitism
  5. digestion
Grade 9 Symbiosis
Plants or animals that live on or attach to the outside of another organism to obtain nutrients are known as
  1. external parasites.
  2. internal parasites.
  3. bacteria.
  4. viruses.
Grade 9 Symbiosis
Which term describes the relationship between predators and their prey?
  1. commensalism
  2. mutualism
  3. parasitism
  4. predation
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