Fiddler Crabs

A:B: Another big clawFeeding claw $100 If a males big claw breaks off, it will grow back as a ___________. C:D: Nothing will grow backHuman hand

B Feeding Claw

A:B: To dig and to eatTo defend and to dig $200 What is the big claw of the male used for? C:D: To attract females and to defend To attract females and to eat

C To attract females and to defend

A:B: To eat and to digTo defend and to attract males $300 What does the female use her claws for? C:D: To attract males and to dig To eat and to lay eggs

A To eat and to dig

A:B: SaltFresh $500 Most Fiddler Crabs live in or near ________water. C:D: FilteredBrackish

D Brackish

A:B: AmphibiansCrustaceans $1000 Fiddler Crabs are __________. C:D: PipidsVertebrates

B Crustaceans

A:B: Small hairsSoft gel $2000 Fiddler Crab bodies are covered by _________ called an exoskeleton. C:D: Hard shellsBones

C Hard shells

A:B: GillsLungs $4000 What do Fiddler Crabs use to breathe? C:D: Scuba gearBoth A and B

D Gills and Lungs

A:B: ThoraxCarapace $8000 What is the Fiddler Crab’s shell called? C:D: CrustaceanChalupa

B Carapace

A:B: Feeding ClawCarapace $16,000 What adaptation of the Fiddler Crab acts like a periscope on a submarine? C:D: ExoskeletonEye stalks

D Eye Stalks

A:B: Eye stalksCrustaceans $32,000 What adaptation allows the Fiddler Crab to see 360 degrees in a circle? C:D: Compound eyesAntennae

C Compound Eyes

A:B: Fiddler Crabs are cold- blooded and always stay the same color. Fiddler Crabs are warm-blooded and can change color. $64,000 Which statement is true about Fiddler Crabs? C:D: Fiddler Crabs are cold- blooded and can change color. Fiddler Crabs are warm- blooded and always stay the same color.

C Fiddler Crabs are cold-blooded and can change color

A:B: Attract predatorsTo camouflage with the sand $125,000 The big claw of the male is white to _________. C:D: Reflect sunlightAbsorb heat

C Reflect Sunlight

A:B: Hearing and touchSmell and touch $250,000 The Fiddler Crabs have two pairs of small antennae used for…. C:D: Hearing and smellTouch and sight

B Smell and Touch

A:B: 2 years2 months $500,000 About how long to Fiddler Crabs live? C:D: 4-5 years1 year

A 2 years

A:B: Fiddler with his violinFiddler playing guitar $1,000,000 By waving his large claw back and forth, the male crab looks like a….. C:D: Mr. Verrier with a bow on his head Fiddler with his bow

D Fiddler with his bow.

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