What is the primary material that both nails and claws are made of?
TED-Ed: Claws vs. nails | Matthew Borths

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Biology
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KG - University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Collagen
Keratin
Chitin
Calcium
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What evolutionary advantage did nails provide to primates living in forest canopies?
Improved swimming ability
Better camouflage
Enhanced grip on branches
Faster running speed
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do nails contribute to the sensitivity of primate digits?
By providing a soft surface
By reducing friction
By offering an extra surface to detect pressure changes
By increasing blood flow
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one reason why claws might not be suitable for primates with wide fingers?
They grow too slowly
They are not sharp enough
They interfere with gripping tasks
They are too heavy
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do manatees use their nails?
To dig burrows
To defend against predators
To grasp food
To climb trees
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What unique adaptation do the aye-ayes of Madagascar have?
Reacquired claws
Venomous bite
Webbed feet
Color-changing skin
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a potential function of elephant toenails?
To regulate temperature
To store fat
To sense ground vibrations
To help them swim
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