( ( Two ( ( distinct one ) ( cell embryos ) ) ) ( ( can ( be ( ( fused together ) ( to ( create ( ( a ( single embryo ) ) ( that ( can ( ( ( grow and ) develop ) ( into ( an ( adult animal ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (CD Two) (ADJP (JJ distinct) (NP (CD one))) (NN cell) (NNS embryos)) (VP (MD can) (VP (VB be) (VP (VBN fused) (ADVP (RB together)) (S (VP (TO to) (VP (VB create) (NP (NP (DT a) (JJ single) (NN embryo)) (SBAR (WHNP (WDT that)) (S (VP (MD can) (VP (VB grow) (CC and) (VB develop) (PP (IN into) (NP (DT an) (JJ adult) (NN animal)))))))))))))) (. .)))
Two distinct one cell embryos can be fused together to create a single embryo that can grow and develop into an adult animal.
(ROOT (S (NP (NP (NNS Invertebrates)) (-LRB- -LRB-) (CC and) (NP (JJR higher) (NNS animals)) (-RRB- -RRB-)) (VP (MD can) (ADVP (RB also)) (VP (VB be) (VP (VBN placed) (PP (IN in) (NP (NP (CD one)) (PP (IN of) (NP (CD two) (NNS groups))))) (PP (VBN based) (PP (IN on) (SBAR (WHADVP (WRB how)) (S (NP (PRP they)) (VP (VBP develop) (PP (IN as) (NP (NNS embryos))))))))))) (. .)))
Invertebrates (and higher animals) can also be placed in one of two groups based on how they develop as embryos.