Deck 19: Hermit Crabs

Question 1

At what temperature do hermit crabs thrive?

A)Between 75°F and 85°F
B)Temperatures above 90°F
C)Between 90°F and 105°F
D)Temperatures above freezing but below 80°F

Answer 1

A

Question 2

The humidity of a hermit crab habitat should be _____.

A)no greater than 40 percent
B)higher than 95 percent
C)approximately 50 percent
D)between 70 and 90 percent

Answer 2

D

Question 3

Chelipeds are _____.

A)walking legs
B)the mouthparts
C)clawed front legs
D)used to breath

Answer 3

C

Question 4

What should be done with a hermit crab that has mites?

A)The crab should be soaked in a medicated solution.
B)It should be left untreated.
C)The crab should be given daily baths.
D)It should be destroyed.

Question 5

Hermit crabs are _____.

A)insectivores
B)herbivores
C)omnivores
D)carnivores

Question 6

Hermit crabs are crustaceans.

A)6-legged
B)8-legged
C)10-legged
D)12-legged

Question 7

The natural lifespan of hermit crabs _____.

A)has been documented to be more than 50 years
B)is rarely more than 2 years
C)is thought to be more than 30 years
D)has not been determined

Question 8

All species of hermit crabs _____.

A)must return to the ocean to breed
B)lay eggs in sand
C)can be bred in captivity
D)are vertebrates with an endoskeleton

Question 9

Which of the following substrates is safe for hermit crabs?

A)smooth gravel
B)ground nutshell
C)sand treated with water-soluble dye
D)cedar shavings soaked in tap water

Question 10

Stridulation is the _____.

A)method used to determine the age of wild-caught hermit crabs
B)creation of sound caused by body parts that are rubbed together
C)distance that a hermit crab can travel in one hour
D)spacing of the leg pairs that helps determine hermit crab species