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SIU - GEOG 100 - Class Notes - Week 7

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School: Southern Illinois University Carbondale
Department: Geography
Course: Environmental Conservation
Professor: Julie Weinert
Term: Spring 2019
Tags: geography, Environment, and Environmental Studies
Name: Geography 100- Week 7 Notes
Description: These notes cover all of chapter 5 and chapter 6 for Geography 100-01.
Uploaded: 02/24/2019
2 Pages 36 Views 28 Unlocks
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School: Southern Illinois University Carbondale
Department: Geography
Course: Environmental Conservation
Professor: Julie Weinert
Term: Spring 2019
Tags: geography, Environment, and Environmental Studies
Name: Geography 100- Week 7 Notes
Description: These notes cover all of chapter 5 and chapter 6 for Geography 100-01.
Uploaded: 02/24/2019

Unformatted text preview: Chapter 5: How Ecosystems Work Ecology the study of the interactions between orcianisms their abiotic environments. Cevels of Biological Organization Individual: a single organism. 2. Population a group of organisms of the same Species that live together at the same time in the same area. by 3. Community a natural association consisting of all the populations of different species that live o interact with each other within the same area time. 4. Ecosystem ia community + its physical environment. 5.Landscapes a region that includes several interacting ecosystems. 6 Biosphere the parts of Earth's atmosphere, ocean, land surface,+ soil containing all living organisms. 7. Biomes a large, naturally occuring community of organisms' occupying a major habitat. Trophic Level each link in a food chain; organisms are assigned based on the number of energy dransfer steps from the source to that level. Oude Biotic Environment Abiotic Environment All living components - All the non-living chemical in an environment physical factors in an environment. Producers organisms that are autotrophic, meaning they produce complex organic compounds from simple inorganic molecules through or chemosynthesis. photo synthesisy consumers Photosyncthesis the biological process that captures light energy o transforms it into the chemical energy of organic molecules; manufactured from Coz+ H20. Types of consumers: t. Primary Consumersorganisms that eat producers Cherbivores). z. Secondary Consumers organisms that eat primary consumers (carnivores). 3. Tertiary consumers: organisms that eat Secondary consumers (c rnivores). 14. Omnivores: organisms that eat a variety of other oracunisms. 5. Detritivores organisms that eat organic Matter (ex'ccercasses, leaf litter, feces, etc.) Decomposers organisms that break down clead orgenisms t waste products. Energy Flowi the passage of energy in a one-way direction througn an ecosystem Ecological Niche i the totality of an organismis adaptations, its use of resources,d the lifestyle to which it's fitted. L. Resource Partitioning the reduction in competition for the environmental resources (such as food) among coexisting species as la result of the niche of each species differing from the riches of the others. Symbiosis's an intimate relationship between members of two or more species. Precation: the consumption of one species Corey) by another Cpredator).Types of Symbiosis 1. Coevolutions interdependent evolution of two interacting species. ft. Mutualismi an association in which bath species benefit.ro th. Commensalism a relationship in which One of the species benefits at no expense to the other tv. Parasitismia relationship in which one species Cparasite benefit's at the expense of the other (host). Competition the interaction among organisms that vie for the sceme resources in an ecosystem. La Chapter Ce: Ecosystems + Evolution Biome: a large, relatively distinct terrestrial region with similar climate soil, plants, + animals regardless of where it occurs in the world.exe Tupes of Biomes on Earth . Tundra (Arctic Tundra): treeless biome in the far north consisting of boggy plains covered by lichens of mosses; has harsh, cold winters 4 exteremely short summers. 2. Boreal Forest (N. coniferous Forest): a region of coniferous forest (pine, firietc.) in the Northern hemisphere, located just south of the tundra. Also called taiga 3. Temperate Rain Foresta coniferous biome with cool weather, dense fog, a high precipitation.