Question
Define ecological succession. Give three differences between seral stages and climax community during succession.
✓
Answer
The sequential, gradual and predictable changes in the species composition in an area are called succession or ecological succession.
| S. No. | Seral stage | Climax community |
| (i) | It is the sequential replacement and establishment of species in the process of succession. | It is the community which gets established at the terminal stage of succession. |
| (ii) | The species composition changes from time to time. | The species are stable and species composition do not change. |
| (iii) | Simple food chains and food webs are found. | Complex food chains and food webs are found. |
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