( It ( ( flourishes ( ( ( upon and ) within ) ( ( ( Earth 's ) lithosphere ) ( of ( ( rock and ) soils ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ flourishes) (PP (IN upon) (CC and) (IN within) (NP (NP (NP (NNP Earth) (POS 's)) (NN lithosphere)) (PP (IN of) (NP (NN rock) (CC and) (NNS soils)))))) (. .)))
It flourishes upon and within Earth's lithosphere of rock and soils.
(ROOT (S (NP (NP (DT The) (JJ thin) (NN layer)) (PP (IN of) (NP (NP (NN rock)) (PP (IN on) (NP (NP (NN earth) (POS 's)) (NN surface)))))) (VP (VBZ is) (NP (DT the) (NN lithosphere))) (. .)))
The thin layer of rock on earth's surface is the lithosphere.