BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 18, Problem 2MCQ
Summary Introduction

Introduction:

The birth rate is the number of individuals born per unit of area in a unit time period. While the death rate is the number of individuals, who have died in a given area over a certain period of time.

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Which of the following is a factor that would decrease the size of a population? A. Death rate is higher than the birth rate B. Abundant food supply C. Immigration  D. Birth rate is higher than the death rate
S2) Below are two tables showing the population size and deaths by age for one year in the states of Louisiana (LA) and Florida (FL). Use the data to answer the following questions. You may use the blank cells in the tables for calculations and to show answers Age group 0-15 16-70 71+ Louisiana Deaths 30 215 585 Florida Age group Deaths 0-15 16-70 71+ 25 400 725 Population 165,000 300,000 75,000 Population 90,000 435,000 225,000 a. Calculate the overall crude mortality rates for LA and FL expressed as per 100,000 population. LA: FL: b. Calculate the age-adjusted mortality rates using the combined population as the standard. c. Explain what accounts for this difference in crude rates and adjusted rates between LA and FL.
The change in population size for Canada in 2015 was an increase of 272 990. In the same year, the number of births was 392 902, the number of deaths was 269 012, and the immigration number was 271 660.What was the number of people who emigrated from Canada in 2015? Select one: a. 147 770 b. 122 560 c. 217 264 d. 125 220
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