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