Freshwater biomes have

a. organisms adjusted to high salinity
b. more diversity than marine biomes
c. a salinity of less than 1%
d. the ability to maintain their temperature year round

The right option is; c. a salinity of less than 1%

Freshwater biomes have a salinity of less than 1%

The freshwater biome is a large community of plant and animals that live in water bodies with a salinity of less than 1%. Fresh water biomes include streams, rivers, ponds, lakes, and some wetlands. The fresh water biomes cover about 20% of the earth and they contain several species of fish and animals such as frogs, crocodiles and turtles.

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.