A) Deserts
B) Tropical rainforests
C) Freshwater and marine environments
D) Mountains

A) Byssal threads
B) Adhesive glands
C) Magnetic fields
D) Suction cups

A) Perna canaliculus
B) Perna viridis
C) Mytilus edulis
D) Crassostrea virginica

A) 50+ years
B) 20-30 years
C) Less than a year
D) 5-10 years

A) Iron
B) Hydrogen
C) Carbon
D) Calcium

A) Mussel pearls
B) Saltwater pearls
C) Freshwater pearls
D) Coral pearls

A) Bed
B) School
C) Flock
D) Pack

A) Green
B) Blue
C) Black
D) Purple

A) Parasitic growth
B) Mussel hair
C) Byssus threads
D) Algae attachment

A) Filter feeding
B) Hunting
C) Grazing
D) Photosynthesis

A) Two
B) Three
C) One
D) Four

A) Siphon
B) Gill
C) Mantle
D) Foot

A) Ostreidae
B) Unionidae
C) Pectinidae
D) Mytilidae

A) Belgium
B) Italy
C) China
D) Mexico

A) Nacre
B) Epidermis
C) Exoskeleton
D) Periostracum

A) Deep-frying
B) Baking
C) Steaming
D) Microwaving

A) Green-lipped mussel
B) Giant freshwater mussel
C) Zebra mussel
D) Blue mussel

A) Bark
B) Feathers
C) Skin
D) Shell

A) Sand
B) Fish scales
C) Seaweed
D) Nacre