( ( 5 . ) ( ( Describe ( how ( ( ( the ( stickleback ( fish 's ) ) ) ( circulatory system ) ) ( ( transports ( ( ( nutrients ( to ( ( all ( the cells ) ) ( within ( its body ) ) ) ) ) . ) ( How ( ( is ( ( this different ) ( from ( our ( circulatory systems ) ) ) ) ) ? ) ) ) ) ( Why ( ( ( is ( ( the ( stickleback ( fish 's ) ) ) ( circulatory system ) ) ) ( better ( suited ( to ( an ( aquatic environment ) ) ) ) ) ) ? ) ) ) ) ) ) ( -LRB- ( FZ -RRB- ) ) ) )
(ROOT (S (NP (CD 5) (. .)) (VP (NP (NP (NNP Describe)) (SBAR (WHADVP (WRB how)) (S (NP (NP (DT the) (NN stickleback) (NN fish) (POS 's)) (JJ circulatory) (NN system)) (VP (VBZ transports) (S (S (VP (VB nutrients) (PP (TO to) (NP (NP (PDT all) (DT the) (NNS cells)) (PP (IN within) (NP (PRP$ its) (NN body))))) (. .))) (SBARQ (WHADVP (WRB How)) (SQ (VBZ is) (NP (NP (DT this) (JJ different)) (PP (IN from) (NP (PRP$ our) (JJ circulatory) (NNS systems))))) (. ?))) (SBAR (SBARQ (WHADVP (WRB Why)) (SQ (VBZ is) (NP (NP (DT the) (NN stickleback) (NN fish) (POS 's)) (JJ circulatory) (NN system)) (VP (ADVP (RBR better)) (VBN suited) (PP (TO to) (NP (DT an) (JJ aquatic) (NN environment))))) (. ?))))))) (PRN (-LRB- -LRB-) (NP (NNP FZ)) (-RRB- -RRB-)))))
5. Describe how the stickleback fish's circulatory system transports nutrients to all the cells within its body. How is this different from our circulatory systems? Why is the stickleback fish's circulatory system better suited to an aquatic environment? (FZ)
(ROOT (S (NP (NP (DT A) (NN relationship)) (PP (IN between) (NP (CD two) (JJ human) (NN body) (NNS systems)))) (VP (MD could) (VP (VB be) (NP (NP (DT the) (JJ digestive) (NN system)) (SBAR (S (VP (VBZ absorbs) (NP (NP (NNS nutrients)) (SBAR (WHNP (WDT which)) (S (VP (VBP are) (VP (VBN transported) (PP (IN by) (NP (DT the) (JJ circulatory) (NN system)))))))))))))) (. .)))