( Angiosperms ( ( ( are also ) ( known ( as ( ( flowering plants ) ( ( ( because ( they ( produce ( flowers ( ( in which ) ( seeds ( are produced ) ) ) ) ) ) ) and ) ( ( in which ) ( they develop ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Angiosperms)) (VP (VBP are) (ADVP (RB also)) (VP (VBN known) (PP (IN as) (S (VP (VBG flowering) (NP (NNS plants)) (SBAR (SBAR (IN because) (S (NP (PRP they)) (VP (VBP produce) (NP (NP (NNS flowers)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (NNS seeds)) (VP (VBP are) (VP (VBN produced))))))))) (CC and) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (PRP they)) (VP (VBP develop)))))))))) (. .)))
Angiosperms are also known as flowering plants because they produce flowers in which seeds are produced and in which they develop.
(ROOT (S (NP (NNS Angiosperms)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (VBG flowering) (NN seed) (NNS plants))))) (. .)))