Mature trees survive fire because they have thick bark, branch-free trunks, a moderately deep rooting habit, and often occur in moderately open stands.
(Mature trees; survive; fire; because they have thick bark, branch-free trunks, a moderately deep rooting habit, and often occur in moderately open stands) (they; have; thick bark, branch-free trunks, a moderately deep rooting habit, and often occur in moderately open stands)
Mature trees they
survive have
fire because they have thick bark, branch-free trunks, a moderately deep rooting habit, and often occur in moderately open stands
thick bark, branch-free trunks, a moderately deep rooting habit, and often occur in moderately open stands