( ( All these ) ( ( are ( ( low ( cost exercises ) ) ( ( in which ) ( ( ( the ( structural organization ) ) ( of ( ( ( ( ( ( plant cells ) , ) tissues ) , ) and ) organs ) ) ) ( ( can readily ) ( be studied ) ) ) ) ) ) . ) )
(ROOT (S (NP (PDT All) (DT these)) (VP (VBP are) (NP (NP (JJ low) (NN cost) (NNS exercises)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (NP (DT the) (JJ structural) (NN organization)) (PP (IN of) (NP (NP (NN plant) (NNS cells)) (, ,) (NP (NNS tissues)) (, ,) (CC and) (NP (NNS organs))))) (VP (MD can) (ADVP (RB readily)) (VP (VB be) (VP (VBN studied)))))))) (. .)))
All these are low cost exercises in which the structural organization of plant cells, tissues, and organs can readily be studied.
(ROOT (S (NP (DT A) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (NN cell)) (VP (VBZ is) (NP (NP (DT the) (JJS lowest) (NN level)) (PP (IN of) (NP (NN organism))) (SBAR (WHNP (WDT that)) (S (VP (MD can) (VP (VB perform) (NP (NP (DT all) (NNS activities)) (VP (VBN required) (PP (IN for) (NP (NN life))))))))))) (. .)))