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Unusual Animal Migrations: Jellyfish Blooms - Quiz
Contributed by: Flynn
  • 1. What ecological role do jellyfish blooms play?
A) They can provide food for certain species.
B) They eliminate oxygen from water.
C) They act as predators to most fish.
D) They filter pollutants from water.
  • 2. Which factor can lead to increased jellyfish populations?
A) Cold water currents
B) High pH levels
C) Eutrophication
D) Reduced salinity
  • 3. Where are jellyfish blooms most commonly observed?
A) Freshwater lakes
B) Coastal areas
C) Open ocean
D) High mountain streams
  • 4. Which of the following is a method to study jellyfish migration?
A) Underwater sound monitoring
B) Airborne surveys
C) Satellite tracking
D) Radioactive tagging
  • 5. Which region has reported significant jellyfish blooms?
A) The Arctic Ocean
B) Lake Baikal
C) The Amazon River
D) The Black Sea
  • 6. Why do jellyfish have a high reproductive potential?
A) They migrate during breeding season.
B) They require complex mating rituals.
C) They can reproduce both sexually and asexually.
D) They have a slow growth rate.
  • 7. What does the term 'medusa' refer to?
A) The larvae stage of jellyfish.
B) A type of jellyfish predator.
C) The mature, free-swimming stage of jellyfish.
D) The polyp stage of jellyfish.
  • 8. What adaptation helps jellyfish in open waters?
A) Their thick gelatinous bodies
B) Their strong propulsion ability
C) Their ability to drift with currents
D) Their ability to swim against strong currents
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