Multiple choice

Select the CORRECT statement regarding the immune system of the body.

  1. It is unique to primates.

  2. The cells of immune-system use the principle of natural selection.

  3. It attacks all pathogens in the same way.

  4. It posses only one mechanism of response to invasion.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

It is correct the principle of clonal selection, and analog of natural selection, is implemented by the immune system.

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