Crossword-Solution: MIGRANTS 8 letters, 6 clues 🏆 scrabble score: 11

Growth rate (population): The annual percent change in the population, resulting from a surplus (or deficit) of births over deaths and the balance of migrants entering and leaving a country.

One additional caution: the proportion of, say, defense expenditures as a percent of GNP/GDP in local currency accounts may differ substantially from the proportion when GNP/GDP accounts are expressed in PPP terms, as, for example, when an observer estimates the dollar level of Russian or Japanese military expenditures; Growth rate (population): The annual percent change in the population, resulting from a surplus (or deficit) of births over deaths and the balance of migrants entering and leaving a country.

Population growth rate: The average annual percent change in the population, resulting from a surplus (or deficit) of births over deaths and the balance of migrants entering and leaving a country.

This is of course the fundamental idea of "regions." There is not one of the numerous writers who considered the possibility that these intermediate belts might represent not a mixture of species but transitional forms, the result of changes undergone by the most peripheral migrants in adaptation to their new surroundings.

The edentata being proved (as I hold) to have been mere temporary migrants into North America in the post-Pliocene epoch, form no part of its Tertiary fauna.