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