F215 Module 3 4.5 / 5 based on 3 ratings ? BiologyA2/A-levelOCR Created by: HannahCreated on: 03-01-13 19:29 All biotic and abiotic components working together in balance with the environment ecosystem 1 of 13 The first group of organisms to colonise in primary succession pioneer community 2 of 13 The final community that is present at the end of succession climax community 3 of 13 The source of energy for food chains sun 4 of 13 The place where an organism lives habitat 5 of 13 The role an organism plays in its ecosystem niche 6 of 13 The level at which an organism feeds in a food chain trophic level 7 of 13 A stage of succession sere 8 of 13 A stage of succession where the climax community can not be reached plagioclimax 9 of 13 Bacteria involved in nitrogen fixation nitrogen fixing bacteria 10 of 13 The maximum population size that can be maintained over a period of time carrying capacity 11 of 13 Competition within a species intraspecific 12 of 13 Competition between species interspecific 13 of 13
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