( Gases ( ( ( undergo ( similar changes ) ) ( with ( ( the change ) ( of ( ( temperature and ) pressure ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Gases)) (VP (VBP undergo) (NP (JJ similar) (NNS changes)) (PP (IN with) (NP (NP (DT the) (NN change)) (PP (IN of) (NP (NN temperature) (CC and) (NN pressure)))))) (. .)))
Gases undergo similar changes with the change of temperature and pressure.
(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))))))))) (. .)))