Primary succession would most likely occur after? a forest fire. a lava flow. farm land is abandoned. a severe storm.

Primary succession is one of the two types of ecological succession of the life of plant. This type pertains to that which occurs after a place is devoid of vegetation. From the given choices, the phenomenon or happening that would cause a loss of vegetation is a lava flow. Thus, the answer is the second choice.

A. Lava flow. Primary succession takes place when the structure of an ecosystem changes drastically in such a way that it can no longer support organisms. In this case of primary succession, lava flow completely alters the ecosystem and it occurs in such a way that this change is not caused by 'pioneer' organisms being edged out by better adapted organisms.

The answer is option a