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A-Level Biology OCR A

Change Number Species Niches Succession Describe Explain Progresses

As succession progresses, biodiversity increases, peaking mid-succession, but then decreases as dominant species outcompete and eliminate pioneer and other species.

Con il progredire della successione, la biodiversità aumenta raggiungendo il picco a metà successione, ma poi diminuisce quando specie dominanti eliminano le specie pioniere e altre attraverso la competizione.

Front Describe and explain the change in the number of species and niches as succession progresses.
Back Change in number of niches & species:
  • Biodiversity increases throughout succession but climax community is not necessarily most biodiverse, it peaks mid-successiom
  • Dominant species outcompete pioneer and other species, eliminating them in process
niches!!

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