The thick bark of a tree that deters pathogens from entering and protects the tree from herbivores is an example of a(n)
A) elicitor.
B) immune system.
C) evoked defense.
D) induced defense.
E) constitutive defense.

Question

Quizplus · Accepted Answer

The thick bark of a tree is an example of a constitutive defense, which is a defense mechanism that is always present in a plant or organism to deter potential attackers. Constitutive defenses are structural or chemical barriers that prevent attack and do not require an initial stimulus.

The Thick Bark of a Tree That Deters Pathogens from Entering