Question

an ecologist did an population experiment. in her experiment she calculated the average number of individuals per unit of area. this data is known as population _____________.
distribution
dispursion
size
denisty

Explanation:

Population density is defined as the average number of individuals per unit of area. It gives an idea of how crowded or sparse a population is in a given space. Distribution refers to how individuals are spread out in an area, dispersion is about the pattern of spread, and size is the total number of individuals in the population.

Answer:

D. density