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Questions and Answers
What is the correct way to write the scientific name for the house cat?
What is the correct way to write the scientific name for the house cat?
Who developed the system of classification with 7 levels?
Who developed the system of classification with 7 levels?
Linnaeus
What is binomial nomenclature?
What is binomial nomenclature?
A system for giving each organism a two-word scientific name.
Who is considered the first person to classify living things?
Who is considered the first person to classify living things?
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What is the taxonomic category above the kingdom level?
What is the taxonomic category above the kingdom level?
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Into how many groups did Aristotle divide animals?
Into how many groups did Aristotle divide animals?
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In what language are scientific names commonly written?
In what language are scientific names commonly written?
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What is taxonomy?
What is taxonomy?
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Why do organisms need a scientific name?
Why do organisms need a scientific name?
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What is the broadest level of classification in Linnaeus' system?
What is the broadest level of classification in Linnaeus' system?
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What defines a species?
What defines a species?
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What is a scientific name?
What is a scientific name?
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How many kingdoms does the modern classification system have?
How many kingdoms does the modern classification system have?
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What is the taxonomic level under kingdom called?
What is the taxonomic level under kingdom called?
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What are taxon and taxa?
What are taxon and taxa?
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What does it mean to classify?
What does it mean to classify?
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Study Notes
Scientific Names
- Scientific name for house cat: Felis domesticus (in italics).
- Latin is used for writing scientific names to ensure consistency across languages.
Linnaeus' Classification System
- Developed a hierarchy of 7 levels: kingdom, phylum, class, order, family, genus, species.
- Classification based on structural differences among organisms.
Binomial Nomenclature
- A two-word naming system for organisms: genus followed by species.
- Created by Carl Linnaeus.
Historical Classification
- Aristotle is recognized as the first to classify living organisms.
Taxonomic Domains
- Domains are the highest taxonomic category, ranking above kingdoms.
- Three domains: Archaea, Bacteria, Eukarya.
Aristotle's Animal Groups
- Divided animals into three groups: land dwellers, water dwellers, air dwellers.
Taxonomy
- Branch of biology focused on naming and classifying species.
Importance of Scientific Names
- Scientific names eliminate confusion found in common names, which often vary by region; e.g., Puma, mountain lion, and cougar refer to the same animal.
Levels of Classification
- Kingdom is the broadest classification level in Linnaeus' system.
- Species is defined as a group of similar organisms that can interbreed and produce fertile offspring.
Modern Classification
- Contemporary system recognizes six kingdoms: Eubacteria, Archaebacteria, Protista, Fungi, Plantae, and Animalia.
Phylum
- Taxonomic level below kingdom; referred to as "division" for plants.
Taxon and Taxa
- Taxon (singular) refers to a group in classification; taxa (plural) indicates multiple such groups.
Classifying Organisms
- Classifying involves grouping based on similarities among organisms or objects.
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Description
Test your knowledge on the scientific classification of organisms with these flashcards. Learn the correct way to write scientific names and understand Linnaeus' system of classification, including its levels. Perfect for students studying biology or taxonomy.
