1. | It can vary from small sized pond to large sized sea |
2. | It may be anthropogenic in origin |
3. | It may be temporary or Permanent |
4. | It involves the function of flow of energy but not recycling of nutrients |
Which one of the following is one of the characteristics of a biological community?
1. | Stratification | 2. | Natality |
3. | Mortality | 4. | Sex-ratio |