( ( A community ) ( ( consists ( of ( ( all ( the ( various populations ) ) ) ( of ( organisms ( living ( in ( a ( given area ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NN community)) (VP (VBZ consists) (PP (IN of) (NP (NP (PDT all) (DT the) (JJ various) (NNS populations)) (PP (IN of) (NP (NP (NNS organisms)) (VP (VBG living) (PP (IN in) (NP (DT a) (VBN given) (NN area))))))))) (. .)))
A community consists of all the various populations of organisms living in a given area.
(ROOT (S (NP (NP (DT All)) (PP (IN of) (NP (NP (DT the) (NNS populations)) (SBAR (WHNP (WDT that)) (S (VP (VBP live) (PP (IN in) (NP (DT the) (JJ same) (NN area))))))))) (VP (VBP make) (PRT (RP up)) (NP (NP (DT a) (-LRB- -LRB-) (NN n) (-RRB- -RRB-) (NN community)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ includes) (NP (NP (NNS populations)) (PP (IN of) (NP (JJ different) (NNS organisms))))))))) (. .)))
All of the populations that live in the same area make up a(n) community, which includes populations of different organisms.