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The Role of Whales in Ocean Ecosystems - Exam
  • 1. What is the primary role of whales in ocean ecosystems?
A) Coastal erosion prevention
B) Coral growth
C) Plastic recycling
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) Competing for food
B) Overgrazing seaweed
C) Predation
D) Building nests
  • 4. What do scientists study to understand whale population health?
A) Genetic diversity
B) Coastal vegetation
C) Sediment composition
D) Water temperature
  • 5. What is a significant ecological role of the sperm whale?
A) Shallow water filtering
B) Deep-sea nutrient cycling
C) Cold water temperature regulation
D) Coastal fecal solution
  • 6. Which nutrient do whale feces primarily release into the ocean?
A) Nitrogen
B) Calcium
C) Phosphorus
D) Iron
  • 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) Estuaries
C) Coastal wetlands
D) Pelagic zone
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