Classification 1.2. How do you say “dog” in Chinese? - gǒu gǒu How about in spanish? -perro...
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Transcript of Classification 1.2. How do you say “dog” in Chinese? - gǒu gǒu How about in spanish? -perro...
![Page 1: Classification 1.2. How do you say “dog” in Chinese? - gǒu gǒu How about in spanish? -perro What about French? -mohoko Does anyone see where this could.](https://reader036.fdocuments.net/reader036/viewer/2022082712/56649ea35503460f94ba75f6/html5/thumbnails/1.jpg)
Classification
1.2
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How do you say “dog” in Chinese?
-gǒu How about in spanish?
-perroWhat about French?
-mohokoDoes anyone see where this could
be a problem in science???
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I. What is classification?A. Classification- Organizing
similar organisms into groups
1. Classifying Classmates Demonstration (by hair color)
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II. History of ClassificationA. Aristotle
1. 2000 years ago 2. Greek3. Made 2 Groups:
Plant or Animal
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II. History of ClassificationB. Linnaeus
1. Late 18th century2. Swedish
3. Grouped organisms with similar structure
a. Ex: Plants with similar
flowers are grouped together
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II. History of ClassificationC. Modern Day Methods
1.Groups based on:a. Similaritiesb. Hereditary information (DNA)c. Phylogeny – evolutionary history of an organism and how it has changed over time.
1) Known from fossils
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III. Classification GroupsK iss
P eople
C arefully
O r
F ace
G etting
S lapped
K ingdomP hylumC lassO rderF amilyG enusS pecies
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III. Classification Groups
A. Kingdoms are broke into 5 large groups:
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B. See example poster
C. Monera (Prokaryotes)
1. Single Cell
2. No nucleus
D. Protist (Eukaryote)
1. Single cell
2. Has nucleus
III. Classification Groups
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IV. Naming Organisms
A. Binomial nomenclature – two word naming system created by Linnaeus to name the various species.
1. Genus - first word that is a group of species
2. Species – second word describes the organism
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3. Examples
Acer rubrum – maple tree
Acer saccharum sugar maple
IV. Naming Organisms
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B. Reasons for using Scientific names
1. Avoid mistakes
2. Group organisms with similar evolutionary history
3. They are descriptive
IV. Naming Organisms
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4. Allows scientists to organize information about species quickly and efficiently
IV. Naming Organisms
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C. Tools for identifying organisms
1. Dichotomous keys
a. See “Classifying Crazy People” Worksheet
IV. Naming Organisms
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1. Dichotomous keys
a. Detailed list of identifying characteristics
b. Characteristics are arranged in steps with 2 choices at each step
IV. Naming Organisms
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IV. Naming Organisms
Let’s try identifying one of the bugs in the classroom!
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• What is classsification?
• What did Aristotle do?
• What is the order of classification (hint: think kissing)?
• What is bionmial nomenclature?
• Penkeamos kylie…Name the genus & species
V. Recap
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• Why would I want to use a dichotomus key?
V. Recap