Respuesta :
It is true that river and streams ecosystem are sensitive to change.
- Frequent droughts and shifting precipitation patterns lower water levels in river, lake and streams.
- It leave less water to dilute pollutants.
- High temperature cause more frequent algal bloom and reduce dissolved oxygen levels,
- It can cause death of fishes and can do significant harm to ecosystem.
What do you understand by ecosystem?
- Ecosystem is a geographical area where both the abiotic and biotic factors interact.
- Abiotic factors include Sunlight, Water, Air
- Biotic factors include Animals and Plants.
To know more about ecosystem here
https://brainly.com/question/13979184
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