Answer:
The third line of defence against pathogenic invasion is the adaptive immune response, which has two key qualities: It is specific (it can differentiate between specific microorganisms and respond accordingly) It is adaptive (it can produce a heightened response upon re-exposure - in other words, it has memory)
Explanation:
The answer is B cell wall
no because a species is acustom to it is environmnet it is probaly going to dye because it was not raise there or has no idea in what to do
