The study of fossils, which are the preserved remains of former life on earth, is used to reconstruct paleoenvironmental conditions and to examine evolutionary processes.
(fossils; are; the preserved remains of former life on earth) (The study of fossils; is used; to reconstruct paleoenvironmental conditions and to examine evolutionary processes)
fossils The study of fossils
are is used
the preserved remains of former life on earth
to reconstruct paleoenvironmental conditions and to examine evolutionary processes