Question

question 1 of 29 what are the two main abiotic factors that affect organisms in marine ecosystems? a. predators and food availability b. salinity and water temperature c. predators and competition d. oxygen level and water temperature

Explanation:

Abiotic factors are non - living components. Predators, food availability, and competition are biotic. Salinity (salt - content) and water temperature are key non - living factors in marine ecosystems. Oxygen level is also an important abiotic factor but salinity and temperature are more fundamental in defining marine habitats.

Answer:

B. Salinity and water temperature