( ( Fossil The ) ( ( remains ( of ( ( a ( ( plant or ) animal ) ) ( preserved ( in rock ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Fossil) (NNP The)) (VP (VBZ remains) (PP (IN of) (NP (NP (DT a) (NN plant) (CC or) (NN animal)) (VP (VBN preserved) (PP (IN in) (NP (NN rock))))))) (. .)))
Fossil The remains of a plant or animal preserved in rock.
(ROOT (S (NP (NP (DT The) (NN presence)) (PP (IN of) (NP (NP (DT an) (NN animal) (NN fossil)) (PP (IN in) (NP (DT a) (NN rock)))))) (VP (VBZ gives) (NP (NP (NN evidence)) (PP (IN of) (NP (DT the) (NN time) (NN period)))) (NP (NP (DT the) (NN animal)) (VP (VBN lived) (PP (IN in))))) (. .)))
The presence of an animal fossil in a rock gives evidence of the time period the animal lived in.