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Mangrove crab
  • 1. In which habitat are Mangrove crabs commonly found?
A) Coral reefs
B) Alpine forests
C) Mangrove forests
D) Grasslands
  • 2. What type of diet do Mangrove crabs have?
A) Herbivorous
B) Detritivorous
C) Carnivorous
D) Omnivorous
  • 3. How do Mangrove crabs breathe?
A) Through lungs
B) Through skin
C) Through intestine
D) Through gills
  • 4. How do Mangrove crabs contribute to the ecosystem?
A) They help in nutrient cycling
B) They act as food for whales
C) They control hurricanes
D) They pollinate flowers
  • 5. What is the main predator of Mangrove crabs?
A) Crocodiles
B) Birds
C) Sharks
D) Octopuses
  • 6. How do Mangrove crabs contribute to soil aeration?
A) Through flying
B) Through swimming
C) Through singing
D) Through burrowing activities
  • 7. What is the social structure of Mangrove crabs?
A) Hive-based
B) Colonial
C) Herding
D) Solitary
  • 8. What is the primary feeding time for Mangrove crabs?
A) Twilight
B) Morning
C) Afternoon
D) Night
  • 9. What environmental factor is crucial for the survival of Mangrove crabs?
A) Air pressure
B) Temperature
C) Elevation
D) Salinity
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