Taxonomy Objective 4.01: Analyze the classification of organisms according to their evolutionary relationships.

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Presentation transcript:

Taxonomy Objective 4.01: Analyze the classification of organisms according to their evolutionary relationships

Classification Classification: to organize things into groups that have meaning. Taxonomy: a scientific classification system used to assign each organism universally. Latin is the universal language of scientists.

Aristotle Linnaeus 1st classification system Divided into 2 groups: Blood or Bloodless, which was basically Animals & Plants. Developed the current classification system. Binomial Nomenclature: two-word naming system for each species. Linnaeus

The Seven Taxa 1. Kingdom 2. Phylum 3. Class 4. Order 5. Family Taxon: A group or level of organization. Linnaeus’s system uses 7 taxa arranged in order from largest to smallest. He classified organisms into two kingdoms, Anamalia or Plantae 1. Kingdom 2. Phylum 3. Class 4. Order 5. Family 6. Genus 7. Species Kids King Play Phillip Catch Came Over or Over Farmer For Grays Grape Shed Soda

Scientific Names Scientific names are made of two words: Genus & species. Genus is always capitalized Species is not The scientific name should always be in italics or underlined.

Example of Scientific Name Common name: Cat Scientific name: Felis domesticus Genus: Felis Species: domesticus Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Mammalia Order: Carnivora Family: Felidae Genus: Felis Species: Felis domesticus

Human’s Classification Kingdom Phylum Class Order Family Genus Species Animalia Chordata Mammalia Primates Homindae Homo Sapiens All Children Must Play Hippity Hop Scotch

Cladogram Shows evolutionary relationships between animals. Shows how closely related two animals are.

Dichotomous Key A list of characteristics, such as structure and behavior, organized in such a way that organisms can be identified.

Pick one object

1a. With a hole Go to Question 2 1b. Without a hole Go to Question 3 2a. Six sided It is Species #1 2b. Four sided It is Species #6 3a. With threading Go to Question 4 3b. Without threading It is Species #8 4a. Pointy tip Go to Question 5 4b. No pointy tip Go to Question 6 5a. Rounded head It is Species #4 5b. Not rounded head It is Species #7 6a. Flat head Go to Question 7 6b. Not flat head It is Species #2 7a. Body length twice the width of head It is Species #5 7b. Body length not twice the width of head It is Species #3