What threat would cause a porcupine to extend its quills?
snow killing insects being eaten wind rain threatened sea urchins opossums
A B C D E F G H
Predators kill and eat their prey.
the threat of being eaten causes a porcupine to extend its quills
What threat would cause a porcupine to extend its quills? (A) snow (B) killing insects (C) being eaten (D) wind (E) rain (F) threatened (G) sea urchins (H) opossums