( First ( , ( students ( ( ( investigate ( ( the difference ) ( in ( ( metabolic response ) ( of ( ( ( ( ( representative endotherms ) ( -LRB- ( mice -RRB- ) ) ) and ) ectotherms ) ( -LRB- ( ( green anoles ) -RRB- ) ) ) ) ) ) ) ) ( to ( temperature changes ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB First)) (, ,) (NP (NNS students)) (VP (VB investigate) (NP (NP (DT the) (NN difference)) (PP (IN in) (NP (NP (JJ metabolic) (NN response)) (PP (IN of) (NP (NP (JJ representative) (NNS endotherms)) (PRN (-LRB- -LRB-) (NP (NNS mice)) (-RRB- -RRB-)) (CC and) (NP (NNS ectotherms)) (PRN (-LRB- -LRB-) (NP (JJ green) (NNS anoles)) (-RRB- -RRB-))))))) (PP (TO to) (NP (NN temperature) (NNS changes)))) (. .)))
First, students investigate the difference in metabolic response of representative endotherms (mice) and ectotherms (green anoles) to temperature changes.
(ROOT (S (NP (NNS Ectotherms)) (VP (VBP undergo) (S (NP (NP (DT a) (NN variety)) (PP (IN of) (NP (NP (NNS changes)) (PP (IN at) (NP (DT the) (JJ cellular) (NN level)))))) (VP (TO to) (VP (VB acclimatize) (PP (TO to) (NP (NP (NNS shifts)) (PP (IN in) (NP (NN temperature))))))))) (. .)))