Subject	extinction
Predicate	affect
Object	ecosystem
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.8673
Neighborhood Sigma	1.0000
Local Sigma	0.8729
Example Sentences	Sentence Occurrences Source extinction affect an ecosystem 1 Google Autocomplete the extinction of a species affect the ecosystem 1 Google Autocomplete extinction of species affect ecosystem 2 Google Autocomplete, Answers.com Questions extinction affects an ecosystem 1 Google Autocomplete