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6. 'The non-territorial exclusion of an organism from an area e.g. scavengers fighting over a carcass'.

  • Consumption competition
  • Encounter competition
  • Preemption competition
  • Territorial competition

7. 'When an organism is the first to inhabit an area or exploit a particular resource, it competitively excludes others from doing the same'.

  • encounter competition
  • preemption competition
  • overgrowth competition
  • competitive release

8. 'When physiological differences are higher in sympatric populations than allopatric populations, because of disruptive selection'.

  • Character displacement
  • Niche overlap
  • Competitive release
  • Fundamental niche

9. In order to prove his theory of competitive exclusion, Gause performed experiments on ....

  • Paramecium bacteria (aurelia, caudatum and bursaria)
  • Barnacles (balanus and chthalamus)
  • Birds ( warblers)
  • Coral and different species of zooxanthellae

10. 'When resources are shared more evenly by all organisms in a population, resulting in reduced fitness for all individuals.'

  • Self-thinning rule
  • Exploitation
  • Scramble competition
  • Contest competition

11. An introduced species becomes an invasive species when....

  • It clings to boats and will reach the new area by the sea.
  • It harms the native ecosystem and the organism within it.
  • It becomes dominant in the ecosystem.