Crabs: True Crabs and Hermit Crabs
Interactive Video
•
Biology
•
5th - 6th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many species of true crabs are there worldwide?
About 800
More than 7,000
Approximately 1,500
Less than 500
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a crab's exoskeleton?
To store food
To attract mates
To provide support and protection
To help them swim faster
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do crabs use their claws in their environment?
To swim
To dig burrows
To communicate with other crabs
To capture food and defend against predators
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a unique feature of hermit crabs compared to true crabs?
They have ten jointed legs
They can fly short distances
They have a soft tail that they protect with a borrowed shell
They have a hard exoskeleton covering their entire body
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important for hermit crabs to find larger shells as they grow?
To improve their swimming ability
To attract mates
To protect their soft tail from predators and drying out
To store more food
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