Respuesta :
Answer:
It got it's name because when a population is growing, there are more babies being born than there are people dying.
Explanation:
Answer:
It got its name because it is in the form of a triangle because when a population grows it forms the shape of a triangle.
Explanation:
The population pyramid is used to see how much population there is in an area by age and gender.
(Have a great day!)
(also could not find when the population pyramid was made into that name)