( ( ( ( ( Manta ( ray embryos ) ) ( also ( ( ( breathe ( by ( buccal pumping ) ) ) , ) ( as ( mantas ( give ( live birth ) ) ) ) ) ) ) and ) ( embryos ( ( are not ) ( ( ( connected ( to ( their mother ) ) ) ( by ( umbilical ( ( cord or ) placenta ) ) ) ) ( as ( in ( many ( other animals ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NNP Manta) (NN ray) (NNS embryos)) (ADVP (RB also)) (VP (VB breathe) (PP (IN by) (NP (JJ buccal) (NNS pumping))) (, ,) (SBAR (IN as) (S (NP (NNS mantas)) (VP (VBP give) (NP (JJ live) (NN birth))))))) (CC and) (S (NP (NNS embryos)) (VP (VBP are) (RB not) (VP (VBN connected) (PP (TO to) (NP (PRP$ their) (NN mother))) (PP (IN by) (NP (JJ umbilical) (NN cord) (CC or) (NN placenta))) (PP (IN as) (PP (IN in) (NP (JJ many) (JJ other) (NNS animals))))))) (. .)))
Manta ray embryos also breathe by buccal pumping, as mantas give live birth and embryos are not connected to their mother by umbilical cord or placenta as in many other animals.
(ROOT (S (NP (NP (DT A) (NN connection)) (PP (TO to) (NP (DT the) (NN placenta)))) (VP (VBZ is) (VP (VBN required) (PP (IN for) (NP (DT a) (JJ newborn) (NN baby))) (S (VP (TO to) (VP (VB begin) (NP (NN breathing))))))) (. .)))