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The Role of Whales in Ocean Ecosystems
  • 1. What is the primary role of whales in ocean ecosystems?
A) Plastic recycling
B) Coral growth
C) Coastal erosion prevention
D) Nutrient cycling
  • 2. Which type of whale is known for its complex vocalizations?
A) Humpback whale
B) Orca
C) Blue whale
D) Sperm whale
  • 3. How do whales help regulate the size of fish populations?
A) Predation
B) Building nests
C) Overgrazing seaweed
D) Competing for food
  • 4. What do scientists study to understand whale population health?
A) Genetic diversity
B) Sediment composition
C) Coastal vegetation
D) Water temperature
  • 5. What is a significant ecological role of the sperm whale?
A) Coastal fecal solution
B) Shallow water filtering
C) Cold water temperature regulation
D) Deep-sea nutrient cycling
  • 6. Which nutrient do whale feces primarily release into the ocean?
A) Phosphorus
B) Calcium
C) Iron
D) Nitrogen
  • 7. How do whales affect marine biodiversity?
A) Supporting various species
B) Decreasing habitat variety
C) Promoting algal blooms
D) Encouraging invasive species
  • 8. Which ecosystem is significantly affected by whale activity?
A) Freshwater lakes
B) Estuaries
C) Coastal wetlands
D) Pelagic zone
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