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Although many hypotheses have been proposed to explain why some plant [#permalink]
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EXPLANATION QUESTION #3



The theory about "fluctuating resource availability" mentioned in the article may resolve the "apparently conflicting and ambiguous results" because it explains why it occurs in different environments and situations Similar results. The theory is that when unused resources increase in a plant community, the community becomes more susceptible to invasion by non-native species. The article also mentioned that this theory can explain why there is no necessary relationship between species diversity and invasiveness, because both situations can occur in species-rich and species-poor communities. This means that the same outcome (i.e. intrusion) can be caused by very different circumstances. So the correct option is: E. It indicates why a similar outcome may be preceded by very different circumstances on different occasions. The reason is that this theory explains why a similar outcome may be preceded by very different circumstances on different occasions. Different situations may
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