( Coprolites ( ( are ( ( ( ( classified ( as ( trace fossils ) ) ) ( as ( ( opposed ( to body ) ) fossils ) ) ) , ) ( as ( they ( give ( ( ( evidence ( for ( ( ( the ( animal 's ) ) behaviour ) ( -LRB- ( ( in ( ( ( this case ) , ) diet ) ) -RRB- ) ) ) ) ) ( rather than ) ) morphology ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Coprolites)) (VP (VBP are) (VP (VBN classified) (PP (IN as) (NP (JJ trace) (NNS fossils))) (PP (IN as) (NP (ADJP (VBN opposed) (PP (TO to) (NP (NN body)))) (NNS fossils))) (, ,) (SBAR (IN as) (S (NP (PRP they)) (VP (VBP give) (NP (NP (NP (NN evidence)) (PP (IN for) (NP (NP (NP (DT the) (NN animal) (POS 's)) (NN behaviour)) (PRN (-LRB- -LRB-) (PP (IN in) (NP (NP (DT this) (NN case)) (, ,) (NP (NN diet)))) (-RRB- -RRB-))))) (CONJP (RB rather) (IN than)) (NP (NN morphology)))))))) (. .)))
Coprolites are classified as trace fossils as opposed to body fossils, as they give evidence for the animal's behaviour (in this case, diet) rather than morphology.
(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.