15 Questions
What is the main characteristic used to distinguish between kingdoms in animal classification?
Cell structure
How many phyla are there in the kingdom Animalia?
30-40
What characteristic is used to distinguish between classes in animal classification?
Type of digestive system
What is the main characteristic used to distinguish between orders in animal classification?
Limb structure
What characteristic is used to distinguish between families in animal classification?
All of the above
What is the most specific taxonomic rank in animal classification?
Species
What is the highest level of classification in animal classification?
Kingdom
What characteristic is used to group organisms into phyla?
Body structure and development
Which level of classification groups organisms based on shared physical characteristics and evolutionary relationships?
Class
What is the level of classification below the phylum?
Class
How many kingdoms are there in animal classification?
6
What is the level of classification that groups organisms that can interbreed and produce fertile offspring?
Species
Which level of classification groups organisms based on shared characteristics and evolutionary relationships?
All of the above
What is the level of classification below the order?
Family
Which level of classification is most specific?
Species
Study Notes
Kingdoms
- Highest taxonomic rank in animal classification
- 6 main kingdoms: Animalia, Plantae, Fungi, Protista, Archaea, and Bacteria
- Characteristics used to distinguish kingdoms:
- Cell structure (eukaryotic or prokaryotic)
- Cell wall composition
- Mode of nutrition
- Body organization
Phyla (or Divisions)
- Level below kingdoms
- 30-40 phyla in the kingdom Animalia
- Characteristics used to distinguish phyla:
- Body structure (e.g., radial or bilateral symmetry)
- Number of cell layers
- Presence of coelom (body cavity)
- Type of appendages
Classes
- Level below phyla
- Characteristics used to distinguish classes:
- Body structure (e.g., skeletal system, skin)
- Type of digestive system
- Respiratory system
- Reproductive system
Orders
- Level below classes
- Characteristics used to distinguish orders:
- Limb structure
- Dental structure
- Type of feathers or scales
- Brain structure
Family
- Level below orders
- Characteristics used to distinguish families:
- Shared physical characteristics
- Similarities in behavior
- Genetic similarities
Genus
- Level below family
- Characteristics used to distinguish genera:
- Closely related species
- Shared physical characteristics
- Genetic similarities
Species
- Most specific taxonomic rank
- Characteristics used to distinguish species:
- Reproductive isolation
- Unique physical characteristics
- Genetic differences
- Ecological niche
This quiz covers the hierarchy of biological classification, from kingdoms to species, including characteristics used to distinguish each taxonomic rank. Learn about the different levels of classification and how they are used to organize living organisms. Test your knowledge of biology taxonomy!
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