( ( The young ) ( ( ( ( ( are altricial ) ( -LRB- ( ( meaning ( ( ( they ( ( ( are ( born ( with ( no ( or ( few feathers ) ) ) ) ) ) and ) ( ( can not ) ( ( stand or ) walk ) ) ) ) , ) ( they ( are ( basically helpless ) ) ) ) ) -RRB- ) ) ) and ) ( are ( ( fed ( by ( ( one or ) ( both parents ) ) ) ) ( until ( they fledge ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ young)) (VP (VP (VBP are) (ADJP (JJ altricial))) (PRN (-LRB- -LRB-) (S (VP (VBG meaning) (S (S (NP (PRP they)) (VP (VP (VBP are) (VP (VBN born) (PP (IN with) (NP (DT no) (CC or) (JJ few) (NNS feathers))))) (CC and) (VP (MD can) (RB not) (VP (VB stand) (CC or) (VB walk))))) (, ,) (S (NP (PRP they)) (VP (VBP are) (ADJP (RB basically) (JJ helpless))))))) (-RRB- -RRB-)) (CC and) (VP (VBP are) (VP (VBN fed) (PP (IN by) (NP (NP (CD one)) (CC or) (NP (DT both) (NNS parents)))) (SBAR (IN until) (S (NP (PRP they)) (VP (VBP fledge))))))) (. .)))
The young are altricial (meaning they are born with no or few feathers and can not stand or walk, they are basically helpless) and are fed by one or both parents until they fledge.
(ROOT (S (NP (JJ Altricial) (NNS organisms)) (VP (VP (VBP are) (ADJP (JJ helpless) (PP (IN at) (NP (NN birth))))) (CC and) (VP (VBP require) (NP (NP (NNS lots)) (PP (IN of) (NP (NN help)))) (PP (IN from) (NP (PRP$ their) (NNS parents))))) (. .)))