HELP PLS
Use one example to explain how human activities can upset the natural balance of an ecosystem. Write about human activities and their impact on ecosystem members.
Example
The reason: a person builds a dam on the river during the construction of the hydroelectric station.

Consequence: Instead of a fast-flowing river, a reservoir will be created, the conditions of which are not suitable for invertebrates adapted to fast-flowing and oxygen-rich water, which will perish. The cracks do not enter the spawning grounds and do not produce offspring. A new, species-poor ecosystem is emerging.

The reason


Consequence