( ( PICTURE population ) ( ( A group ) ( of ( individuals ( of ( ( the ( same species ) ) ( ( ( living ( in ( ( the ( same area ) ) ( at ( the ( same time ) ) ) ) ) ) and ) ( sharing ( a ( common ( gene ( poo l. ) ) ) ) ) ) ) ) ) ) ) )
(ROOT (SINV (VP (VBP PICTURE) (NP (NN population))) (NP (NP (DT A) (NN group)) (PP (IN of) (NP (NP (NNS individuals)) (PP (IN of) (NP (NP (DT the) (JJ same) (NN species)) (VP (VP (VBG living) (PP (IN in) (NP (NP (DT the) (JJ same) (NN area)) (PP (IN at) (NP (DT the) (JJ same) (NN time)))))) (CC and) (VP (VBG sharing) (NP (DT a) (JJ common) (NN gene) (NN poo) (NN l.)))))))))))
PICTURE population A group of individuals of the same species living in the same area at the same time and sharing a common gene poo l.
(ROOT (S (NP (PRP You)) (VP (VBP call) (NP (NP (DT a) (NN group)) (PP (IN of) (NP (NP (NNS organisms)) (PP (IN of) (NP (DT the) (JJ same) (NN species)))))) (SBAR (IN that) (S (VP (VBP live) (PP (IN in) (NP (DT the) (JJ same) (NN area)))) (NP (DT a) (-LRB- -LRB-) (NN n) (-RRB- -RRB-) (NN population))))) (. .)))