- 1. What class do crustaceans belong to?
A) Arachnida
B) Malacostraca
C) Insecta
D) Diplopoda
- 2. Which crustacean is known for its powerful claw used for defense?
A) Crayfish
B) Shrimp
C) Lobster
D) Barnacle
- 3. What is the name of the hard outer shell that covers the bodies of crustaceans?
A) Carapace
B) Shellac
C) Endoskeleton
D) Exoskeleton
- 4. What is the largest species of crab in the world?
A) Japanese spider crab
B) Dungeness crab
C) Blue crab
D) Coconut crab
- 5. What is the name of the process in which crustaceans shed their exoskeleton in order to grow?
A) Hibernation
B) Reproduction
C) Camouflage
D) Molting
- 6. Which crustacean is known for its ability to produce a loud snapping sound by closing its claws quickly?
A) Pistol shrimp
B) Alaskan king crab
C) Ghost shrimp
D) Rock crab
- 7. Which crustacean is known for its bright, vibrant colors and powerful punch?
A) Pistol shrimp
B) Mantis shrimp
C) Ghost shrimp
D) Rock crab
- 8. How many legs do most crustaceans have?
A) 6
B) 4
C) 10
D) 8
- 9. What is the primary diet of a barnacle?
A) Detritus
B) Small fish
C) Algae
D) Plankton
- 10. Which crustacean is known for its bright red color and is often associated with seafood boils?
A) Wolf
B) Crawfish
C) Fox
D) Bear
- 11. Which crustacean is often called a 'living fossil' due to its similar appearance over millions of years?
A) Dungeness crab
B) Coconut crab
C) Horseshoe crab
D) Snow crab
- 12. What is the scientific term for the study of crustaceans?
A) Malacology
B) Arachnology
C) Carcinology
D) Entomology
- 13. What is the scientific order that includes crustaceans such as crabs, lobsters, and shrimp?
A) Carnivora
B) Decapoda
C) Artiodactyla
D) Primates
- 14. What is the name of the long, segmented appendages found on a crayfish's tail?
A) Chelipeds
B) Uropods
C) Maxillipeds
D) Swimmerets
- 15. What is the specialized appendage that some crustaceans use to clean their gills called?
A) Uropods
B) Pereopods
C) Scaphognathite
D) Chelipeds
- 16. Which crustacean is commonly associated with freshwater habitats?
A) King crab
B) Shrimp
C) Crayfish
D) Lobster
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