The invasion of a community in succession involves:
Correct answer: D. Migration, ecesis and aggregation
- A. Ecesis, aggregation and competition
- B. Migration, aggregation and competition
- C. Aggregation, competition and coaction
- D. Migration, ecesis and aggregation
Explanation
Invasion begins with migration of propagules, followed by ecesis, their establishment in the new site, and aggregation into a population. Competition is important later, but it is not one of the three standard components listed for invasion.
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