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.

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.