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9) how to you make antibodies against something too small for the immune system to recognize?
a/valley fever
al flora

When the disease has been throuh you or you had your vaccination done. The immune system recognize the disease and make antibodies.

answer; i believe the correct answer is (sporophyte);

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.