Question 1

At what temperature do hermit crabs thrive?&#10;A)Between 75&#176;F and 85&#176;F&#10;B)Temperatures above 90&#176;F&#10;C)Between 90&#176;F and 105&#176;F&#10;D)Temperatures above freezing but below 80&#176;F

Accepted Answer

Hermit crabs thrive in temperatures between 75°F and 85°F. Temperatures that are too low or too high can stress or even kill them.

Question 2

The humidity of a hermit crab habitat should be _____.&#10;A)no greater than 40 percent&#10;B)higher than 95 percent&#10;C)approximately 50 percent&#10;D)between 70 and 90 percent

Accepted Answer

Hermit crabs require a moderate to high level of humidity, usually between 70 and 90 percent, to maintain their respiratory and excretory functions. Higher humidity levels help to prevent dehydration and molting problems.

Question 3

Chelipeds are _____.&#10;A)walking legs&#10;B)the mouthparts&#10;C)clawed front legs&#10;D)used to breath

Accepted Answer

Chelipeds are the clawed front legs of crustaceans, such as crabs and lobsters, which are used for defense, feeding, and grasping objects.

Question 4

What should be done with a hermit crab that has mites?&#10;A)The crab should be soaked in a medicated solution.&#10;B)It should be left untreated.&#10;C)The crab should be given daily baths.&#10;D)It should be destroyed.

Accepted Answer

The answer of What should be done with a hermit...

Question 5

Hermit crabs are _____.&#10;A)insectivores&#10;B)herbivores&#10;C)omnivores&#10;D)carnivores

Accepted Answer

Hermit crabs are omnivores, which means they eat both plants and animals. They feed on algae, detritus, mollusks, and even dead animals.

Question 6

Hermit crabs are crustaceans.&#10;A)6-legged&#10;B)8-legged&#10;C)10-legged&#10;D)12-legged

Accepted Answer

Hermit crabs are decapod crustaceans, meaning they have 10 legs. The first pair of legs are modified into claws used for defense and digging, while the remaining eight legs are used for walking and holding onto objects.

Question 7

The natural lifespan of hermit crabs _____.&#10;A)has been documented to be more than 50 years&#10;B)is rarely more than 2 years&#10;C)is thought to be more than 30 years&#10;D)has not been determined

Accepted Answer

The answer of The natural lifespan of hermit crabs _____.&#10;A)has...

Question 8

All species of hermit crabs _____.&#10;A)must return to the ocean to breed&#10;B)lay eggs in sand&#10;C)can be bred in captivity&#10;D)are vertebrates with an endoskeleton

Accepted Answer

Hermit crabs must return to the ocean to breed because they release their eggs into the sea, where they hatch. This is a crucial part of their reproductive cycle.

Question 9

Which of the following substrates is safe for hermit crabs?&#10;A)smooth gravel&#10;B)ground nutshell&#10;C)sand treated with water-soluble dye&#10;D)cedar shavings soaked in tap water

Accepted Answer

Smooth gravel is safe for hermit crabs as it does not pose the risk of impaction or toxic exposure that the other substrates listed may present.

Question 10

Stridulation is the _____.&#10;A)method used to determine the age of wild-caught hermit crabs&#10;B)creation of sound caused by body parts that are rubbed together&#10;C)distance that a hermit crab can travel in one hour&#10;D)spacing of the leg pairs that helps determine hermit crab species

Accepted Answer

Stridulation is the creation of sound caused by body parts that are rubbed together, such as the wings of crickets or the legs of some species of hermit crabs.

Deck 19: Hermit Crabs