Ponderosa pine, longleaf pine, slash pine, loblolly pine and giant sequoia are examples of trees with thick bark that acts as insulation from forest fires.
(Ponderosa pine, longleaf pine, slash pine, loblolly pine and giant sequoia; are; examples of trees with thick bark) (thick bark; acts; as insulation from forest fires)
Ponderosa pine, longleaf pine, slash pine, loblolly pine and giant sequoia thick bark
are acts
examples of trees with thick bark
as insulation from forest fires