Natural Colonization Can Happen in All of the Following Ways

Multiple Choice

Natural colonization can happen in all of the following ways except

A) a flock of birds gets blown off course.
B) a bird eats a fruit on the mainland and defecates the seed on an island.
C) people plant new species on an island.
D) lowered sea levels connect two areas previously isolated.
E) birds pick up seeds on their feet while wading in mud and drop them elsewhere.