Question

Large old-growth dominant forest trees, such as the redwoods, are part of a climax community. What happens to these trees?

Answer 1

An old growth forest trees are trees that attained great ages without significant disturbance and thereby exhibits unique ecological features and might be classified as a climax community. I hope this will help and feel free to ask for more 

Answer 2

Those trees cannot grow unless they are part of a larger, inter-connected community
each Interconnected communities usually benefit support the living of other organism simply by doing its own daily activities. Without it, it's hard for some organisms to survive on their own

hope this helps