Even seedling trees, with their buds protected by a thick mass of needles, survive frequent, light ground fires.
(their buds; protected; by a thick mass of needles) (Even seedling trees, with their buds protected by a thick mass of needles; survive; frequent, light ground fires)
their buds Even seedling trees, with their buds protected by a thick mass of needles
protected survive
by a thick mass of needles
frequent, light ground fires