Answer:
1. A biotic factor is a living organism that shapes its environment. In a freshwater ecosystem, examples might include aquatic plants, fish, amphibians, and algae. Biotic and abiotic factors work together to create a unique ecosystem. Learn more about biotic factors with this curated resource collection.
2.Common examples of abiotic factors include:
Wind.
Rain.
Humidity.
Latitude.
Temperature.
Elevation.
Soil composition.
Salinity (the concentration of salt in water