Question

Why could the lion not eat the porcupine?
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Answer 1

Answer:

Porcupines' backs are covered in sharp quills made of keratin, the same material as fingernails, though much stronger. These quills, which can be needle-sharp, can detach and get stuck deep into a predator's flesh.

Answer 2

Answer:

Porcupines' backs are covered in sharp quills made of keratin, the same material as fingernails, though much stronger. These quills, which can be needle-sharp, can detach and get stuck deep into a predator's flesh.