Classification of Living Things Chapter 8 Section 2.
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Transcript of Classification of Living Things Chapter 8 Section 2.
![Page 1: Classification of Living Things Chapter 8 Section 2.](https://reader035.fdocuments.net/reader035/viewer/2022070418/5697bfa01a28abf838c954f7/html5/thumbnails/1.jpg)
Classification of Living ThingsClassification of Living ThingsChapter 8 Section 2Chapter 8 Section 2
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Carolus Linnaeus
Who developed the scientific naming system?
![Page 3: Classification of Living Things Chapter 8 Section 2.](https://reader035.fdocuments.net/reader035/viewer/2022070418/5697bfa01a28abf838c954f7/html5/thumbnails/3.jpg)
What is binomial nomenclature?
A two word naming system used to name organisms
Example- Panthera leo
![Page 4: Classification of Living Things Chapter 8 Section 2.](https://reader035.fdocuments.net/reader035/viewer/2022070418/5697bfa01a28abf838c954f7/html5/thumbnails/4.jpg)
What language is used for binomial nomenclature?
Latin
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First word of scientific name
Genus
Represents a group of similar species
Always written with a capital letter and italicized when possible
Example- Panthera
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Second word of scientific name
Species
Represents a feature of an organism, identifies a place, or honors a person
Written in lower case and italicized when possible
Example- leo in the scientific name Panthera leo
Can mate and produce fertile offspring
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Why are scientific names used?
Four reasons
1.Avoid mistakes- many organisms have more than one common name
2.Organisms with similar evolutionary histories are classified together
3.Scientific names give descriptive information about a species
4.Information about organisms are organized easily and efficiently
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What characteristics do today’s scientists use to help
them classify?
Similarities in structure
Fossils
Hereditary information
Early stages of development
![Page 9: Classification of Living Things Chapter 8 Section 2.](https://reader035.fdocuments.net/reader035/viewer/2022070418/5697bfa01a28abf838c954f7/html5/thumbnails/9.jpg)
What is Phylogeny?
Evolutionary information about an organism (how it has changed over time)
![Page 10: Classification of Living Things Chapter 8 Section 2.](https://reader035.fdocuments.net/reader035/viewer/2022070418/5697bfa01a28abf838c954f7/html5/thumbnails/10.jpg)
what are the 7 levels of classification?
Kingdom
Six different ones- Animals, Plants, Fungi, Archaebacteria, Eubacteria, and Protists
Phylum
Class
Order
Family
Genus
Species
The more levels that are shared, the more closely related organisms are
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Examples of Classification levels
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MOre Examples
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Which ones are more closely related?
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Classification Rap
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NAME AND DESCRIBE TWO TOOLS FOR IDENTIFYING
ORGANISMS
Field Guides- contains descriptions and pictures of organisms and information about where they live
Dichotomous Keys- a list of paired statements that identify characteristics of organisms; unique to type of organism being identified
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Create a dichotomous key
Step 1a. Vehicle is red Go to step 2b. Vehicle is not red Go to step 3
Step 2a. Vehicle has a stripe Camarob. Vehicle has no stripe Mustang
Step 3a. Vehicle is yellow Corvetteb. Vehicle is not yellow Go to step 4
Step 4a. Vehicle is an SUV Acadiab. Vehicle is not an SUV Sonata
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More dichotomous key practice
Step 1
a. Shoe is a hightop Go to step 2 b. Shoe is not a hightop Go to step 3
Step 2a. Shoe has a star on it Converseb. Shoe does not have a star on it Nike
Step 3a. Shoe is mostly black Nikeb. Shoe is not mostly black Go to step 4
Step 4a. Shoe is mostly white Reebokb. Shoe is mostly red Puma