Observe a seguir os niveis de organização de um ser vivo e marque a alternativa que contem os termos qie substituem adequadamente os números 1,2,3

option number one would be youre best option

answer: - b cells

explanation: -

so, the b cells mediate their action by identifying the antigens present on the surface of the pathogens and then producing antibodies in return to mediate its effect.

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.