Question

1. what does the shape of a pyramid indicate about its pattern of births and mortality?

Explanation:

In population - related studies, a pyramid - shaped age - structure diagram (population pyramid) indicates a high birth rate. A wide base of the pyramid represents a large number of young individuals, suggesting many births. The narrowing towards the top shows higher mortality as individuals age.

Answer:

A wide base of the pyramid indicates a high birth rate, and the overall shape shows a pattern where there are more births leading to a larger young population, with mortality increasing with age.