Classification

Dec 31, 2012

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Why Classify Living Things?. Because there are sooooo many living organisms. We have identified 2,500,000 living things and there are an estimated 20,000,000 species on earth.To give each organism a scientific name. Each organism is given a universal name so it can be recognized in any language.. W

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Classification

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Classification

Classification. Chapter 18. Characteristics of Living Things. Section 1-3. Characteristic. Examples. Living things are made up of units called cells. Many microorganisms consist of only a single cell. Animals and trees are multicellular. Living things reproduce.

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Classification

Classification. Classification is putting organisms into groups based on similarities and differences How do you decide who goes into what group? Look at characteristics Try to figure out which are the most “important”. Why Classify??? . Human nature- we love to put things in their place!

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Classification

Classification. Assumptions: Nature is Lawful, Uniform & Intelligible. Classification based on utility : edible vs inedible, poisonous vs non poisonous, where found, etc.

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Classification

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Classification

Classification. Chapter 18. Taxonomy. The science of naming and classifying living things. Common Names. Pre-1700 common names were used to identify organisms. Long Variable. Aristotle. Grouped all organisms into two groups: Plants and animals Not everyone fit. Binomial Nomenclature.

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Classification

Age-related macular degeneration (AMD) is the leading cause of irreversible blindness.The disease adversely affects quality of life and activities of daily living, causing many affected individuals to lose their independence in their retirement years.

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Classification

Classification. Secretary Gary D. Maynard. Classification in MD. Security Classification Instrument Originally developed in 1988 by Dr. Edward Letessa Continually updated/reviewed for best practices Basic intake classification sets original security level

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Classification

Classification. Ch 20. Taxonomy. Branch of biology concerned with identifying, naming, and classifying organisms Began with the ancient Greeks and Romans Aristotle classified organisms into groups such as horses, birds, and oaks John Ray (1627–1705)

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CLASSIFICATION

CLASSIFICATION. Sorting into groups. 1. allows quick and accurate descriptions . 2. simpler and precise communication. 3. reference system for new organisms. 4. enables trends to be observed and followed. 5. explain relationships. How classification has changed. Ancient times.

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Classification

Classification . Classification. Grouping of objects or information based on similarities . Taxonomy. Branch of biology concerned with the grouping and naming of organisms. Aristotle’s System. Greek philosopher Developed the first method of classification

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Classification Techniques: Bayesian Classification

Classification Techniques: Bayesian Classification. Bamshad Mobasher DePaul University. Classification: 3 Step Process. 1. Model construction ( Learning ): Each record (instance, example) is assumed to belong to a predefined class, as determined by one of the attributes

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CLASSIFICATION

CLASSIFICATION. Why Classification? * study the diversity of life. * group and name organisms in a logical manner. Taxonomy : science of classifying living things using scientific names. Early Classification. Aristotle: 350 B.C.

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Classification

Classification. Why Do Scientists Classify?. KEY CONCEPT: Biologists use classification to organize living things into groups so that the organisms are easier to study. Classification is grouping things together based on their similarities.

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Classification

Classification. Introduction. A discriminant is a function that separates the examples of different classes. For example IF (income > Q1 and saving >Q2) Then low risk customer ELSE High risk customer

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Classification

Eukaryote. Prokaryote. Archaebacteria & Bacteria. Classification. Old 5 Kingdom system Monera , Protists, Plants, Fungi, Animals New 3 Domain system reflects a greater understanding of evolution & molecular evidence Prokaryote: Bacteria Prokaryote: Archaebacteria Eukaryotes Protists

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Classification

Classification. Headings Vocabulary Important Words. CLASSIFICATION & TAXONOMY. Classification : grouping based on similarities Taxonomy : Branch of Biology The science of classifying grouping and naming of organisms. Aristotle’s Classification Scheme.

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Classification

Classification. Chapter 18. What’s Wrong Here?. Classification. To study the diversity of life, biologists use a classification system to name organisms and group them in a logical manner

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