What major advantage is conveyed by having a system of acquired immunity?
A) It enables a rapid defence against an antigen that has been previously encountered.
B) It enables an animal to counter most pathogens almost instantly.
C) It allows for extremely precise specificity for defence against antigens.
D) All of the above answers are correct.
E) Answers A and C are both correct.

Question

Quizplus · Accepted Answer

The acquired immune system provides both rapid defense against previously encountered antigens (Answer A) and precise specificity for defense against antigens (Answer C). Therefore, the best choice is E, as both Answer A and Answer C are correct. Answer B is incorrect because the acquired immune system does not provide instant defense against all pathogens.

What Major Advantage Is Conveyed by Having a System of Acquired