PPT-Ecosystems

5 th Grade Vocabulary Lesson 12 Ecosystem all of the living and nonliving things in an area Abiotic Factor nonliving parts of an ecosystem Biotic Factor living parts of an ecosystem Population all of the organisms of a species living in the same area. Walker Department of Biological Sciences University of Nevada Las Vegas 4505 Maryland Parkway Box 454004 Las Vegas NV 891544004 USA 1999 ELSEVIER Amsterdam Lausanne New York Oxford Shannon Singapore Tokyo brPage 2br Chapter 9 FOREST HERBIVORY 5.4. Learning Objectives. All students should know:. What is an agricultural ecosystem.. How natural and agricultural ecosystems differ.. What is meant by productivity.. How net productivity is calculated.. Unit A: Sustainability of Ecosystems . Ecology. Study of how organisms interact with each other and with their environment.. Can be divided into several levels: . individual, population, community, ecosystem, biome, biosphere. There are two main categories of freshwater ecosystems. What is the main . difference between. these two ecosystems? . Standing water . v. . flowing-water ecosystems. Standing water—staying still, not moving. The Aquatic Biome. 3 Basic Areas:. Freshwater. (rivers, lakes). Brackish. Water (estuaries, wetlands). Marine. (oceans, coral reefs). How do ecologist classify?. Salinity. Depth . Whether the water is . 4.2 pgs. 94 - 100. Biomes. A large geographical region with a specific range of temperatures and precipitation, and the organisms that are adapted to those conditions of temperature and precipitation. Living things need a place to live and grow.. . Fish live in water.. Birds live in trees and fly through the air.. Plants grow where there is soil, water and sun.. Main Idea and Details. ENVIRONMENT. - Jacques Ives Cousteau. 2. New Orleans is nested between the mouth of the Mississippi River and the brackish estuary of Lake Pontchartrain.. 3. A series of floodwalls, or levees, protects the city from ocean surges from large storms.. CHAPTER. Too Much of a Good Thing?. Elephant populations in southern Africa declined sharply due to hunting but have made overwhelming comebacks within nature reserves and parks.. Some worry that elephant overpopulation is causing a decline in local biodiversity and damage to farms and infrastructure.. Chapter 3 (Miller and . Spoolman. , 2010). Core Case Study: Tropical Rain Forests Are Disappearing. Cover about 2% of the earth’s land surface. Contain about 50% of the world’s known plant and animal species. Aquatic ecosystems are primarily determined by the ecosystem’s . salinity. . Salinity refers to the dissolved salt content of the water.. Aquatic ecosystems are divided into freshwater and marine ecosystems.. Section 3: . Aquatic Ecosystems. K. What I Know. W. What I Want to Find Out. L. What I Learned. Essential Questions. What are the major abiotic factors that determine the aquatic ecosystems?. What are transitional aquatic ecosystems and why are they important?. What is ecology?. It is the science that studies how . organisms. relate to each other and their . environment. .. Considers both . biotic. (living) and . abiotic. (nonliving) aspects.. Examples of abiotic factors: . Unit Standards. 5.L.4A.1 . Analyze and interpret data to summarize the abiotic factors (including quantity of light and water, range of temperature, salinity, and soil composition) of different terrestrial ecosystems and aquatic ecosystems. .