( They ( ( ( can also ) ( ( ( survive freezing ) and ) ( have ( been ( found ( in ( ( ( freshwater ponds ) ( in Antarctica ) ) ( -LRB- ( ( probably ( carried ( in ( ( dried form ) ( on ( bird feathers ) ) ) ) ) ) -RRB- ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (MD can) (ADVP (RB also)) (VP (VP (VB survive) (NP (NN freezing))) (CC and) (VP (VB have) (VP (VBN been) (VP (VBN found) (PP (IN in) (NP (NP (NN freshwater) (NNS ponds)) (PP (IN in) (NP (NNP Antarctica))) (PRN (-LRB- -LRB-) (VP (ADVP (RB probably)) (VBN carried) (PP (IN in) (NP (NP (JJ dried) (NN form)) (PP (IN on) (NP (NN bird) (NNS feathers)))))) (-RRB- -RRB-))))))))) (. .)))
They can also survive freezing and have been found in freshwater ponds in Antarctica (probably carried in dried form on bird feathers).
(ROOT (S (NP (NP (JJS Most)) (PP (IN of) (NP (NP (DT the) (NN earth) (POS 's)) (NN freshwater)))) (VP (VBZ is) (PP (IN in) (NP (NP (DT the) (NN form)) (PP (IN of) (ADJP (JJ frozen)))))) (. .)))