Adrian caught a virus while staying with his grandmother. A few years later, his mother and sister got the same virus. This viru
s could spread through touch and direct contact. However, Adrian did not contract the virus this time, even though he was living with his mother and sister. Why did he not get sick? Adrian’s adaptive immunity remembered the antigens from the virus and gave him lifelong immunity to it.
Adrian’s innate immunity remembered the antigens from the virus and gave him lifelong immunity to it.
Adrian’s skin layer recognized the antigens and attacked them, which prevented the occurrence of the virus again.
Adrian’s innate immunity identified antibodies specific for the virus and targeted them against the antigen.
Adrian’s adaptive immunity produced a higher amount of specific antibodies for the antigen, preventing the virus.
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Systematics is the study of the units of biodiversity. Systematics differs from ecology in that the latter is concerned with the interactions of individuals (and therefore species) in a particular time.
I think the correct answer from the choices listed above is option B. Within each cell of your body there are chromosomes <span>which give the instructions for cell processes. These instructions include the differentiation of your blood cells. Hope this answers the question. Have a nice day.</span>
Prairies are unique ecosystems dominated by grasses and other non-woody plants called forbes. ... A prairie ecosystem includes all the living components-- plants and animals--and all the nonliving components-- sun, water, fire, soil, and--nutrients.
