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