PPT-Population Density

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 . Some pictures to help!. 1, 2, 3, 4, 5.......50, 51, 52.......oh no! I lost count!. Population . Density. Learning Objective. :. To define the term population density and understand the key terms . To use key terms to explain the population density of a number of places around the world. 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?. • How many people live on the . earth.. • Where do they . live.. • Why do they . move.. • What does the future look . like.. World Population:. 7,045,230,000. +. Where do. most people . live?. 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. Density. Density describes the number of organisms in a defined area.. Can be found with the following formula:. D. p. = N / A (or D = N / S in Nelson). D. p. is density. N is number of organisms . What is population?. Group of individuals of the same species that live in the same area. Does population change?. Sea otters, kelp, and sea urchins. Kelp forests offer a habitat for sea otters. Sea urchins feed on kelp. and Applications . (Common Core Standard G-MG.2) Practice applying concepts of density with an area and volume modeling situation.. What is Density??. Density is a measure of how much matter is in a certain volume or area .. 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. 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. ?. A large, dense population or . a small, scattered population. A small, scattered population. Two . ways a population can decrease in size?. decreased birthrate and emigration. Suppose that a species of . Course Objectives. Define the following ecological terms: Population, population density, community, population distribution, diversity, Limiting factors, resources, biotic potential (. r ), . carrying capacity . 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, .