Why is it important to know the population structure of an area?

Populations can change in their numbers and structure—for example age and sex distribution—for various reasons. These changes can affect how the population interacts with its physical environment and with other species.

fir trees are found in areas with cooler climates. fir trees have needles for leaves and remain green year-round.

should congress have the power to interpret the constitution? write a paragraph in which you argue for or against the wide application of the limplied power