PPT-Population Growth

Factors Affecting Population Growth Populations grow and shrink in response to abiotic and biotic factors Abiotic physical amp chemical factors such as water amp light availability soil structure salinity pH etc. By: Shaheen L. & Vasudha A.. Background Info. Definition of Population Growth: . An increase in the number of people that . reside . in a . country, state. , . country. , or city. . Why are we passionate?. 1.3. Starter. Recap:. Definitions of:. Population?. Abiotic. ?. Biotic?. Learning Objectives. State what factors determine the size of a population. Describe the . abiotic. factors that affect the size of a population. Image from Wikimedia Commons. Global human population. United Nations . projections (2004) . (. red. , . orange. , . green. ). . U. S. Census Bureau modern (. blue. ) . & historical . (. black. ) . 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.. Graphs & Histograms. When conditions are . ideal. for growth and reproduction, a population will experience a rapid . increase. in size. . Initially the population grows . slowly. , but the larger the population gets, the faster it grows. As more offspring survive and reproduce, even more offspring are born.. Chapter 2 Key Issue 3. Earth. ’. s Population History. 1 billion reached circa 1830. 2 billion reached 1930 (100 years later). 3 billion reached 1959 (29 years later). 4 billion reached 1974 (15 years later). Overpopulation: Proponents and Critics . Malthus Basics. Idea: late 1700’s. During this time (before the industrial revolution) he predicted that the growing population would eclipse the available food supply. . Global pop Growth Rate: Sample 1. Worldwide, there were 20 births and 8 deaths per 1,000 in 2009. Calculate the growth rate of the . world . in 2009.. Global pop Growth Rate: Sample 1. Population growth rate – . 5-1: How Populations Grow. What is a population?. . Group of individuals of the same species in a given area.. 5-1: How Populations Grow. Characteristics of Populations:. Geographic Distribution (Range). 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.. Solutions. Global pop Growth Rate: Sample 1. Population growth rate – . Population growth rate – . (20 - 8). 10. Worldwide, there were 20 births and 8 deaths per 1,000 in 2009. Calculate the growth rate of the . Exponential Growth. (J-shaped curve). Logistic Growth. (S-shaped curve). Population ecology. Population ecology is the study of populations.. Population . = group of individuals of the same species occupying a common geographical area. Introduction to linking demography, population growth and extinction due to climate warming. What is Population Ecology? . Goal is to understand . factors. and . processes. that govern . abundance. G. rowth be Achieved under Capitalism?. Workshop: De-Growth, Zero Growth and / or Green Growth? Macroeconomic Implications of Ecological Constraints. September 23 and 24, 2021. Hansjörg Herr. Berlin School .