When the proportion of deaths per head is subtracted from that of births, we have the rate of natural ________ . Posted on:
_______ represents the population of all species living and interacting in an area at a particular time. Posted on:
_____ fertility rate is the number of children a woman will have throughout her reproductive years. Posted on:
The net production of _______ and storage of energy by a community per unit time and area is called community productivity. Posted on:
Crude birth rate (CBR) is the demographic measure of fertility and it is the number of babies per _______ of the population. Posted on:
_______ is the movement of individuals from one place to another, usually involving a change in residence. Posted on:
