( Pollination ( ( takes ( place ( when ( ( ( insects or ) birds ) ( ( attracted ( by ( ( the ( ( scent and ) color ) ) ( of ( the ( flowers feed ) ) ) ) ) ) ( ( ( off ( nectar ( on ( the stigma ) ) ) ) or ) ( around ( ( the base ) ( of ( the ovule ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Pollination)) (VP (VBZ takes) (NP (NP (NN place)) (SBAR (WHADVP (WRB when)) (S (NP (NNS insects) (CC or) (NNS birds)) (VP (VBD attracted) (PP (IN by) (NP (NP (DT the) (NN scent) (CC and) (NN color)) (PP (IN of) (NP (DT the) (NNS flowers) (NN feed))))) (PP (PP (IN off) (NP (NP (NN nectar)) (PP (IN on) (NP (DT the) (NN stigma))))) (CC or) (PP (IN around) (NP (NP (DT the) (NN base)) (PP (IN of) (NP (DT the) (NN ovule))))))))))) (. .)))
Pollination takes place when insects or birds attracted by the scent and color of the flowers feed off nectar on the stigma or around the base of the ovule.
(ROOT (S (NP (NP (DT The) (JJ vivid) (NNS colors)) (PP (IN of) (NP (NNS flowers)))) (VP (VBP are) (NP (NP (DT an) (NN adaptation)) (VP (VBN designed) (S (VP (TO to) (VP (VB encourage) (NP (NN pollination)) (PP (IN by) (NP (NP (NNS animals)) (PP (JJ such) (IN as) (NP (NNS insects) (CC and) (NNS birds))))))))))) (. .)))