Answer:
All of the above.
Step-by-step explanation:
- Light and Water both are among the ecological factors .
- Ecological factors are those components of environment which determine the variation in the chemical and physical nature of different ecosystem.
- A balanced ecosystem needs to have all its ecological factors in adequate amount.
- Thus, too much water, too much light, not enough light or not enough water , any of these condition can upset the balance of ecosystem.