Question

Please help!!!!!!!

Which is considered an abiotic factor in a marine ecosystem?

Biodiversity
Plankton
Salinity
Symbiosis

Answer 1

Salinity

Step-by-step explanation:

In scientific terms, 'a' in front of a word typically means not. Bio means life. Abiotic refers to anything that is not living or relating to life. Salinity is salt concentration in water.