Answer:
The population of freshwater shrimp in the lake
freshwater shrimp in the lake
Step-by-step explanation:
The population density of a species in an aquatic habitat is defined as the number of species living in a unit area/volume of the habitat.
Given-
Number of freshwater shrimp in the lake
million

Total volume of the lake

Population density of freshwater shrimp in the lake
shrimps per cubic meter of lake