Answer:
D.
Explanation:
When you have an increase in niches, you can have more similar animals in the same place.
Answer:
Females exhibit sexual selection for males of a particular color.
Explanation:
Explanation:
The statistical study of populations and how they change over time is called demography. Two important measures of a population are population size, the number of individuals, and population density, the number of individuals per unit area or volume.