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