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Questions and Answers
How did Robert Whittaker change classification?
How did Robert Whittaker change classification?
He reorganized life into five kingdoms.
Which is the best analogy for classification?
Which is the best analogy for classification?
Classification is like organizing a closet by hanging clothes together based on their type, color, and season.
Which sentence best describes classification according to Hamish?
Which sentence best describes classification according to Hamish?
Classification organizes organisms based on their characteristics.
Which best matches the modern classification system?
Which best matches the modern classification system?
How many groups did Aristotle use to divide all of the organisms in the world?
How many groups did Aristotle use to divide all of the organisms in the world?
Which number belongs in the space labeled X for the number of kingdoms?
Which number belongs in the space labeled X for the number of kingdoms?
How did Linnaeus improve the classification of organisms?
How did Linnaeus improve the classification of organisms?
Using the modern system of classification, what is the kingdom of the bald eagle?
Using the modern system of classification, what is the kingdom of the bald eagle?
What is the error in the diagram of Woese's modern system of classification?
What is the error in the diagram of Woese's modern system of classification?
How have classification systems changed over time?
How have classification systems changed over time?
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Study Notes
Robert Whittaker's Contribution
- Reorganized life into five kingdoms: Monera, Protista, Fungi, Plantae, Animalia.
Analogy for Classification
- Organizing a closet: type, color, and season help in sorting similar items together.
Goal of Classification
- Objective is to organize organisms based on their characteristics for easier study and understanding.
Modern Classification System
- Consists of three domains (Bacteria, Archaea, Eukarya) and six kingdoms.
Aristotle's Classification
- Divided all organisms into two groups: plants and animals.
Changes in Kingdom Classification
- Number of kingdoms has evolved with scientific advancements; significant contributions resulted in five kingdoms being widely accepted.
Linnaeus’s Improvement
- Established a binomial nomenclature: organisms are named based on their genus and species, enhancing clarity and consistency.
Bald Eagle Classification
- Bald eagle (Haliaeetus leucocephalus) classified as:
- Kingdom: Animals
- Genus: Haliaeetus
- Species: leucocephalus
Error in Classification Diagram
- In Woese's modern classification, there was an error: class and order levels were switched.
Evolution of Classification Systems
- Systems have become more complex over time, reflecting new discoveries about organisms and their relationships.
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