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