A. It usually affects the digestive tract. is false. This is because although tuberculosis can affect it, most of the time it affects the lungs and respiratory system.
Hope that helped you.
They will have like a shell or strong suction or something to survive the rough tides
<span> (1) gene frequencies may be changed by migration, gene flow from another population. (2) in small populations, gene frequencies can be changed via random sampling -- this is known as genetic drift. (3) mutation pressure and (4) non-Mendelian segregation (meiotic drive) may also change gene pools. However, by far the most important agent of evolution is (5) natural selection, which operates by </span>differential reproductive success<span> of individuals.
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