Question

question 1 - 8 which abiotic factor distinguishes freshwater systems from marine systems? salinity plant life temperature bacterial growth

Explanation:

Fresh - water systems have low salinity while marine systems have high salinity. Salinity is an abiotic factor that differentiates them. Bacterial growth is a biotic factor, temperature can vary in both, and plant life is present in both types of systems.

Answer:

salinity