An organism that invades a region can have negative consequences on that region. What kinds of shifts can take place? Someone please give me the right answer
You will get a crown if you do

What does the fall of the bastille represent? ?

Which of the following people did not run for president in 1848. a. lewis cass. b. zachary taylor. c. martin van buren. d. millard fillmore.

What two different approaches did the knights of labor and the american federation of labor take in building a union organization? a) the knights of labor accepted only unskilled workers; the american federation of labor accepted only skilled workers. b) the knights of labor accepted skilled and unskilled workers; the american federation of labor accepted only skilled workers. c) the knights of labor refused to accept african american or chinese workers; the american federation of labor accepted all workers. d) the knights of labor accepted workers from a single industry; the american federation of labor accepted workers from several industries.