Trees like the giant sequoia and the ponderosa pine have developed thick bark that acts as insulation from the heat of wildland fires.
(Trees like the giant sequoia and the ponderosa pine; have developed; thick bark that acts as insulation from the heat of wildland fires) (thick bark; acts; as insulation from the heat of wildland fires)
Trees like the giant sequoia and the ponderosa pine thick bark
have developed acts
thick bark that acts as insulation from the heat of wildland fires
as insulation from the heat of wildland fires