PPT-Population Density and Distribution

When we examine the population of the world we see that it is distributed unevenly some places are more populated than others Population Distribution The way people are spread across a given area. Day 12. Population Density. : the number of people living on a square mile of land.. A . large area. of land with . few. people is said to be . sparsely. populated.. A . small area. of land with . Population Distribution. Population distribution explains . where people . live.. Why do some people prefer to live in region A compared to region B?. What factors are involved in people migrating (moving) from one place to another?. 7 billion and growing. How can humans cause population decline in other species?. “As dead as a dodo”. humans . Mauritius, . dogs. pigs. cats. rats. nests, . forests. Four ways humans can cause population decline are:. 2.1 Density Curves and the Normal Distributions. 2.2 Standard Normal Calculations. 2. Histogram for Strength of Yarn Bobbins. X. X. X. X. X. X. X. X. X. X. X. X. X. X. X. X. X. X. X. X. X. X. X. X. Bobbin #1: 17.15 g/tex. SBI4U. Miss Richardson. Population Size and Density. Populations are constantly in flux. They move, change and are influenced by their environment. Various ecosystems and their abiotic components make up a biome. 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. Species distribution. Density . and size are useful measures for characterizing populations. Scientists gain additional insight into a species' biology and ecology from studying how individuals are spatially distributed. Dispersion or distribution patterns show the spatial relationship between members of a population within a habitat. Patterns are often characteristic of a particular species; they depend on local environmental conditions and the species' growth characteristics (as for plants) or behavior (as for animals).. Hint, don’t forget to find the volume of the ice first!. ). Warm Up: Density of Ice. Does the density of ice you calculated make sense? Why or why not?. Warm Up: Density of Ice. Draw a dot diagram to compare the density of ice and water.. 3 characteristics of all populations. Density. The number of organisms of the same species per unit area (25 people per classroom). Dispersion. The pattern of population distribution. Ranges. Limited by biotic and abiotic factors. I Density(D). An object’s mass compared to its volume. On Earth we can sometimes use weight for mass.. IV Density Facts. Things with . HIGH Density. : Bowling Ball Shot put. Big Marble. Things with . Trends. Decentralization of jobs. Decentralization of people. The Spatial Distribution of Jobs and People. Distribution of Employment. Employment decentralization. In 1948 jobs in central city were twice those in suburban areas. It is also known as the Gaussian distribution and the bell curve. .. The general form of its probability density function is-. Normal Distribution in . Statistics. The normal distribution is the most important probability distribution in statistics because it fits many natural phenomena. . Nicole . Tunbridge. and. Kathleen Fitzpatrick. Turtle Tracks. Population ecology explores how biotic and abiotic factors influence density, distribution, size, and age structure of populations. For example, the number of loggerhead turtle hatchlings that survive their first journey to the ocean is affected by both biotic and abiotic factors. Month. Rainfall (mm). Dry . s. eason vegetation . t. ype = . l. ong grass & open woodland. Wet . s. eason vegetation . t. ype = short grass plains (productivity, nutrients). Synchronized birth pulse, .