While Observing Beetles That Can Raise Their Abdomens and Give

Multiple Choice

While observing beetles that can raise their abdomens and give off a defensive chemical that repels predators,an entomologist discovers a different species of beetle that also raises its abdomen but gives off no defensive chemical.What is the second beetles' defensive behaviour called? 

A)  chemical warfare 
B)  camouflage 
C)  flight mechanism 
D)  mimicry