Ecosystems: Components, Energy Flow, & Matter Cycling

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Presentation transcript:

Ecosystems: Components, Energy Flow, & Matter Cycling Chapter 4 Ecosystems: Components, Energy Flow, & Matter Cycling © Brooks/Cole Publishing Company / ITP

Chapter Outline 1. Ecosystem Concepts 2. Food Webs & Energy Flow Components and organization of Ecology 2. Food Webs & Energy Flow autotrophs, heterotrophs, productivity, efficiency 3. Nutrient Cycles water, carbon, nitrogen, phosphorus 4. Ecosystem Services importance of ecosystems Test 1 Test 2 © Brooks/Cole Publishing Company / ITP

Ecosystem Concepts Ecology: study of relationships between organisms & their environment biosphere ecosystem community population organism Realm of ecology © Brooks/Cole Publishing Company / ITP

Biosphere Ecosystem Community Population Organism Organ Tissue Cell Smallest unit of a molecule Atom Smallest unit of a compound that still has the properties of the compound Molecule Smallest unit of a living thing Cell A group of cells with a common structure and function Tissue Composed of a number of tissues and organized for a particular task Organ An individual; complex individuals contain organ systems Organism Several organisms of the same kind in a particular area Population Interacting populations in a particular area Community A community plus the environment Ecosystem Regions of the Earth's crust, waters, and atmosphere inhabited by living things Biosphere

Biosphere Ecosystem Community Population Organism Organ Tissue Cell Smallest unit of a molecule Atom Smallest unit of a compound that still has the properties of the compound Molecule Smallest unit of a living thing Cell A group of cells with a common structure and function Tissue Composed of a number of tissues and organized for a particular task Organ An individual; complex individuals contain organ systems Organism Several organisms of the same kind in a particular area Population Interacting populations in a particular area Community A community plus the environment Ecosystem Regions of the Earth's crust, waters, and atmosphere inhabited by living things Biosphere

Organism organism: any form of life classified into species species: groups of organisms that resemble each other and can potentially interbreed There are estimated to be 3.6 - 100 million species Only about 1.8 million species named © Brooks/Cole Publishing Company / ITP

Aha ha – an Australian wasp Fun Species Names Aha ha – an Australian wasp

GoldenPalace.com monkey Fun Species Names GoldenPalace.com monkey

Fun Species Names Pieza kake fly

Population Population: a group of interacting individuals of the same species Examples: school of fish white oak trees in a forest people in a city © Brooks/Cole Publishing Company / ITP

Communities Communities: populations of all species living together in a given area Example: Redwood forest community: populations of redwood populations of other trees populations of animals populations of microorganisms

Ecosystem Ecosystem: a community of different species interacting with one another & with their non–living environment Examples: a patch of woods a lake or pond a farm field your mouth © Brooks/Cole Publishing Company / ITP

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