Which of the following statements about tuberculosis is false?
a. it usually affects the digestive tract.
b. it responds to a long course of antibiotic treatment.
c. most infected people have latent infections.
d. it is typically transmitted via the respiratory route.

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.