Tall mature trees have survived countless wildfires because they have thick bark that insulates the cambium, and lower branches have long ago broken off thus reducing the fuel ladder that allows a fire to move from the ground up into the crowns.
(Tall mature trees; have survived; countless wildfires; because they have thick bark) (the fuel ladder; allows; a fire to move from the ground up into the crowns) Context(the fuel ladder allows,List([167, 194))):(a fire; to move; from the ground; up; into the crowns) (they; have; thick bark that insulates the cambium) (thick bark; insulates; the cambium) (lower branches; have broken off; T:long ago) (lower branches; reducing; the fuel ladder that allows a fire to move from the ground up into the crowns)
the fuel ladder allows,List([167, 194))
Tall mature trees the fuel ladder a fire they thick bark lower branches lower branches
have survived allows to move have insulates have broken off reducing
countless wildfires because they have thick bark
a fire to move from the ground up into the crowns
from the ground up into the crowns
thick bark that insulates the cambium
the cambium
T:long ago
the fuel ladder that allows a fire to move from the ground up into the crowns