( ( ( ( Biological ( species extinction ) ) and ) ( biodiversity degradation ) ) ( ( are ( ( irreversible losses ) ( to humanity ) ) ) . ) )
(ROOT (S (NP (NP (JJ Biological) (NN species) (NN extinction)) (CC and) (NP (JJ biodiversity) (NN degradation))) (VP (VBP are) (NP (NP (JJ irreversible) (NNS losses)) (PP (TO to) (NP (NN humanity))))) (. .)))
Biological species extinction and biodiversity degradation are irreversible losses to humanity.
(ROOT (S (NP (NP (ADJP (JJ Sudden) (CC and) (JJ dramatic)) (NNS losses)) (PP (IN of) (NP (NN biodiversity)))) (VP (VBP are) (VP (VBN called) (NP (JJ mass) (NN extinction)))) (. .)))