( ( In ( ( the ( charophyte ancestor ) ) ( of ( modern plants ) ) ) ) ( , ( ( processes ( such ( as ( ( ( ( ( ( gamete production ) , ) fertilization ) , ) and ) ( development ( of ( the embryo ) ) ) ) ) ) ) ( ( ( were ( highly dependent ) ) ( on ( the ( aquatic environment ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NP (DT the) (JJ charophyte) (NN ancestor)) (PP (IN of) (NP (JJ modern) (NNS plants))))) (, ,) (NP (NP (NNS processes)) (PP (JJ such) (IN as) (NP (NP (JJ gamete) (NN production)) (, ,) (NP (NN fertilization)) (, ,) (CC and) (NP (NP (NN development)) (PP (IN of) (NP (DT the) (NN embryo))))))) (VP (VBD were) (ADJP (RB highly) (JJ dependent)) (PP (IN on) (NP (DT the) (JJ aquatic) (NN environment)))) (. .)))
In the charophyte ancestor of modern plants, processes such as gamete production, fertilization, and development of the embryo were highly dependent on the aquatic environment.
(ROOT (S (NP (DT The) (NN embryo)) (VP (VBZ develops) (PP (IN in) (NP (NP (DT a) (NN plant)) (PP (IN inside) (NP (DT the) (JJ female) (NN plant))))) (PP (IN after) (NP (NN fertilization)))) (. .)))