PPT-Chapter 9: The Human Population

Environmental Science 91 Studying Human Populations The human population has grown faster in the 20th century than it has ever before This rapid growth has led to environmental problems. And 57375en 57375ere Were None meets the standard for Range of Reading and Level of Text Complexity for grade 8 Its structure pacing and universal appeal make it an appropriate reading choice for reluctant readers 57375e book also o57373ers students 1 Introduction 2 Demographic and other assumptions 3 Indicators from Spectrum Image from Wikimedia Commons. Global human population. United Nations . projections (2004) . (. red. , . orange. , . green. ). . U. S. Census Bureau modern (. blue. ) . & historical . (. black. ) . Lecture Notes. An Introduction to. Inductive Arguments. Chapter 9. Induction is the basis for our commonsense beliefs about the world. . In the most general sense, . inductive reasoning. , is that in which we extrapolate from experiences to what we have not yet experiences. . SWBAT compare the factors affecting animal populations to human populations . Why should you study human populations and their growth?. Bellwork. Demography. . is the study of the characteristics of populations, especially human populations.. : . . AP Environmental Science . Human Population Dynamics. There are just three sources of change in population size:. Fertility. Mortality. "natural decrease" refers to population decline resulting from more deaths than births. Essential Questions. What is demography?. Describe how the human population has changed over the past 3000 years.. What is age structure? . Why do demographers study age structure?. Overview. Demography. Population pyramids are used by demographers as a tool for understanding the make-up of a given population, whether a city, country, region, or the world. . A Population Pyramid is a graph that . shows the age-sex distribution of a given population. How Many people can the earth support?. https://www.youtube.com/watch?v=sc4HxPxNrZ0. Demography. Demography. = the application of population ecology to the study of humans. Demographers study population size . Size. Increased by. Decreased by. . Calculations. r = (b – d) (i – e) . Local Population Changes. Global Population Changes. Density. What is it?. . Does the predator or the prey control it?. Population Receiving Analog Service2081324 Population Receiving Digital Service2434487 Analog Population Losing Service45909 gital Service399072 Gain353163 BentonCrookDeschutesJeffersonLaneLincolnLinn is concerned with the question of whether a particular allele or genotype will become more common or less common over time in a population, and Why.. Example: . Given that the CCR5-. D. 32 allele confers immunity to HIV, will it become more frequent in the human population over time?. . Distribution. Spread of . population; pattern of human settlement. Aka dispersed distribution. Relates to density. Humans live only in certain areas (that they can get food, water, and shelter) and there is a pattern to it. Biology Trending, 4e. Eli Minkoff and Jennifer Hood-DeGrenier. There is biological variation both within and between human populations. Continuous and discontinuous variation within populations. Variation between populations.