( ( Ecology ( of ( Birds Birds ) ) ) ( ( ( ( ( ( ( ( live and ) breed ) ( in ( most ( terrestrial habitats ) ) ) ) ( on ( all ( seven continents ) ) ) ) , ) ( from ( the Arctic ) ) ) ( to Antarctica ) ) . ) )
(ROOT (S (NP (NP (NNP Ecology)) (PP (IN of) (NP (NNP Birds) (NNP Birds)))) (VP (VBP live) (CC and) (VBP breed) (PP (IN in) (NP (JJS most) (JJ terrestrial) (NNS habitats))) (PP (IN on) (NP (DT all) (CD seven) (NNS continents))) (, ,) (PP (IN from) (NP (DT the) (NNP Arctic))) (PP (TO to) (NP (NNP Antarctica)))) (. .)))
Ecology of Birds   Birds live and breed in most terrestrial habitats on all seven continents, from the Arctic to Antarctica.
(ROOT (S (NP (NNP Birds)) (VP (VBP live) (CC and) (VBP breed) (PP (IN on) (NP (NP (CD seven)) (PP (IN of) (NP (DT the) (NN continents)))))) (. .)))
Birds live and breed on seven of the continents.