( ( ( ( The evolution ) ( of ( many species ) ) ) ( from ( ( a ( single species ) ) ( as ( ( the result ) ( of ( ( the availability ) ( of ( new niches ) ) ) ) ) ) ) ) ) . )
(ROOT (NP (NP (DT The) (NN evolution)) (PP (IN of) (NP (JJ many) (NNS species))) (PP (IN from) (NP (NP (DT a) (JJ single) (NN species)) (PP (IN as) (NP (NP (DT the) (NN result)) (PP (IN of) (NP (NP (DT the) (NN availability)) (PP (IN of) (NP (JJ new) (NNS niches))))))))) (. .)))
The evolution of many species from a single species as the result of the availability of new niches.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (NP (NNS changes)) (PP (IN in) (NP (NP (DT the) (NNS genes)) (PP (IN of) (NP (DT a) (NN species)))))) (VP (VBP result) (PP (IN in) (NP (DT a) (JJ new) (NN species)))))) (, ,) (NP (DT the) (NN process)) (VP (VBZ is) (VP (VBN called) (NP (JJ biological) (NN evolution)))) (. .)))