What is a b cell
a.)a pathogen that makes antigens
b.)a lymphocyte that makes antibodies
c.)an antigen that makes antibodies
d.)a virus that makes bacteria

B.)A lymphocyte that makes antibodies

Explanation:

B cells creates antibodies, which help fight foreign viruses and bacteria to help prevent an individual from getting sick.

an adaptation is a change or process by which an organism takes to be better suited for its environment. for example; migration is a behavioral adaptation, this is needed because birds are not built to last extremely cold climates. there are different adaptations because there are different species needing to adjust to different things, bears don't migrate; they hibernate.

cuz he is really really short, assuming an unorthodox and inherently unlucky configuration of elevator buttons…

explanation: