Phytophthora Ramorum,the Fungus Causing Sudden Oak Death,has Been Spread to Uninfected

Multiple Choice

Phytophthora ramorum,the fungus causing sudden oak death,has been spread to uninfected forests on the boots of hikers; what reproductive method is most likely responsible?

A) Fragmentation-the fungus is broken when stepped on, and fragments adhere to the boot.
B) Asexual reproduction-spores settle on boots and shoes when a mature individual is disturbed.
C) Colonization-the fungus colonizes the boot, matures, and eventually disperses new cells.
D) Budding-after establishing on the boot, the fungus divides asymmetrically to produce daughter cells.