( ( The young ) ( ( are ( ( ( born altricial ) , ) ( meaning ( they ( ( ( are helpless ) and ) ( must ( be ( fed ( by ( the parents ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ young)) (VP (VBP are) (VP (VBN born) (S (ADJP (JJ altricial))) (, ,) (S (VP (VBG meaning) (SBAR (S (NP (PRP they)) (VP (VP (VBP are) (ADJP (JJ helpless))) (CC and) (VP (MD must) (VP (VB be) (VP (VBN fed) (PP (IN by) (NP (DT the) (NNS parents))))))))))))) (. .)))
The young are born altricial, meaning they are helpless and must be fed by the parents.
(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))))) (. .)))