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