Question

1. the key features of a population are _____, ___, _____

Explanation:

In the context of population studies (a subfield related to Biology or Social Science, more specifically in the area of demography which can be linked to Biology's study of populations or Social Science's study of human populations), the key features of a population are population size (the total number of individuals), population density (number of individuals per unit area or volume), and population distribution (how individuals are spaced out, like clumped, uniform, or random).

Answer:

population size, population density, population distribution