Animals Were Instrumental in Helping Recolonize During Primary Succession After

Animals were instrumental in helping recolonize during primary succession after the eruption of Mount St.Helens.Based on scientists' observations, those animals most able to help in the early recolonization were those that could

A) travel over the top of the pumice and ash.
B) burrow under the pumice and ash.
C) travel quickly to the area because they were large.
D) wait until the area formed new soil before settling there.
E) live for extended periods without food or water.