A hummingbird drinks nectar from a flower and carries its pollen to other flowers. What is this an example of?

a.) defensive mutualism

b.) parasitism

c.) commensalism

d.) dispersive mutualism

D. dispersive mutualism

answer; i believe that the correct answer is (b) melosis; plz check first.good luck

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.