Here's why:
* Population: A population is a group of individuals of the same species living in the same geographic area at the same time.
* Pets in a neighborhood: All the pets in your neighborhood would be considered a group of individuals (the pets) of various species (dogs, cats, etc.) living within the same geographic area (your neighborhood).
Important Note: While pets are a population, they are not a natural population. They are a human-influenced population, as their presence and distribution are largely determined by human choices.