PPT-Human Population

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. 1 Introduction 2 Demographic and other assumptions 3 Indicators from Spectrum Chapter 12. “. Sustainability” is a popular idea these days. . What does “sustainability” in the ecosystem mean?. What does “sustainability” in human communities mean?. W. O. R. K. T. O. G. By: Taylor Thomason. Heather Caldwell. Intro. In this project we observed the effect the cheetah population had on the springbok population. . We discovered that through this the correlation between the two is positively moderate.. The aim of this workshop is to help you understand the basic facts and to make you think about them and their implications.. Is population a problem?. If so, should we do something about it?. If we should, what should we do about it?. Growth, Demography . and Carrying Capacity . Human Population Growth Historically. Early Hunter Gatherers. Nomadic. & followed the food. Practiced Intentional Birth Control. Human Population Growth Historically. Agenda for . Monday Jan 30. th. . Populations notes. Population worksheet. Why study populations?. Learn how organisms change over time, problems in an environment, and relationships between . organisms. Environmental Science. 9.1 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. 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. Monday, September 12. th. , 2016. What is the big deal with a growing population?. Lack of food, resources, energy, space, water, and sewage.. Poverty and population growth are correlated.. Poorer societies have higher growth rates than wealthier societies.. Size. 2. Density. 3. Growth rate. 4. Survivorship. 5. Age structure. Each population has a density, a dispersion, and a reproductive strategy.. . Populations. Population density is. a measurement of the number of individuals living in a defined space.. An interbreeding group of the . same species. living in the same general area. may be distinguished by natural or . . arbitrary boundaries. Population Density vs Dispersion. the number of individuals per unit area or volume. . Core. Define population as a group of organisms of one species, living in the same area at the same time.. State the factors affecting the rate of population growth for a population of an organism (limited to food supply, predation and disease), and describe their importance .Identify the lag, exponential (log), stationary and death phases in the sigmoid population growth curve for a population growing in an environment with limited resources. Most . populations . live together in clumps or patches.. Populations can grow, shrink, or remain stable. Population Dynamics. Age Structure. – proportions of individuals at various ages. Population Density. . 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.