Final answer:
Henry Gleason's view of succession is that communities are a random product of fluctuating environmental conditions.
Step-by-step explanation:
Henry Gleason's view of succession is that communities are a random product of fluctuating environmental conditions. He believed that the species that make up a community are not determined by a predictable sequence of events, but rather by chance. This is in contrast to the idea of a climax community, which is a stable and predictable endpoint of succession.