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. |
