Exploring Claws and Nails in the Animal Kingdom

What do bears use their claws for?

• Digging and defense

• Swimming

• Climbing trees

• Flying

What material are both nails and claws made of?

• Calcium

• Keratin

• Cellulose

• Silica

What common protein do claws and nails share?

• Melanin

• Collagen

• Keratin

• Elastin

How do claws differ from nails in terms of structure?

• Claws form a cone-shaped structure

• Claws are softer

• Nails wrap around the digit

• Nails are made of calcium

Why did primates likely evolve to have nails instead of claws?

• For better defense mechanisms

• To improve grip and sensitivity on branches

• To make burrowing easier

• For aesthetic reasons

How do nails contribute to a primate's ability to climb?

• By allowing them to dig into the bark

• By making their hands waterproof

• By providing a rigid surface for better grip

• By making the fingers longer

What advantage do nails offer over claws for primates?

• Better protection against predators

• Improved precision in grabbing

• Enhanced climbing efficiency

• Increased digging ability

What evolutionary advantage do nails provide?

• They make running faster

• They help in burrowing underground

• They enable primates to grip branches more effectively

• They allow for more efficient hunting

How do elephant toenails help them?

• In sensing ground vibrations

• For digging waterholes

• To fight off predators

• To attract mates

What is a unique use of claws in the aye-aye?

• To sense vibrations

• To swim faster

• To tap branches and locate grubs

• For grooming