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Biology 9 Online
OpenStudy (anonymous):

:|

OpenStudy (anonymous):

Which statement best describes one way that both plants and animals fight pathogens? A. Both have an antigen–antibody response. B. Both have a protective outer layer. C. Both produce lymphocytes. D. Both have a lymphatic system.

OpenStudy (anonymous):

i think a.

OpenStudy (anonymous):

ooh

OpenStudy (anonymous):

?

OpenStudy (anonymous):

are you sure?

OpenStudy (anonymous):

I am pretty sure.

OpenStudy (anonymous):

kk

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