Classification Flashcards
(26 cards)
What is the primary purpose of biological classification?
To organize and categorize living organisms based on shared characteristics.
What is the highest rank in the biological classification system?
Domain.
True or False: The binomial nomenclature system was developed by Carl Linnaeus.
True.
Fill in the blank: The scientific name of an organism is composed of its genus and __________.
species.
Which of the following is NOT a domain: Bacteria, Fungi, Archaea, or Eukarya?
Fungi.
What is the taxonomic rank directly below ‘kingdom’?
Phylum.
What is the classification hierarchy from broadest to most specific?
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species.
True or False: All members of a genus share the same species.
False.
What classification level includes organisms that can interbreed and produce fertile offspring?
Species.
Which classification system uses two names to identify an organism?
Binomial nomenclature.
What is the term for a group of closely related species?
Genus.
Multiple Choice: Which of the following is a kingdom? A) Mammalia B) Animalia C) Chordata D) Eukarya
B) Animalia.
What is the significance of phylogenetic trees in classification?
They illustrate evolutionary relationships among species.
Fill in the blank: The __________ is a diagram that shows the evolutionary connections between groups of organisms.
phylogenetic tree.
True or False: The classification system is static and does not change over time.
False.
What term describes organisms that are very similar and can mate to produce viable offspring?
Species.
What is the primary criterion for classifying organisms into different kingdoms?
Cell type and structure.
Multiple Choice: Which of the following kingdoms contains organisms that are primarily unicellular? A) Plantae B) Fungi C) Protista D) Animalia
C) Protista.
What is the role of taxonomy in biology?
To provide a systematic way to name and categorize organisms.
What is the classification rank below ‘family’?
Genus.
True or False: All organisms in the same family are more closely related than those in different orders.
True.
Fill in the blank: The term __________ refers to a group of related organisms that share a common ancestor.
clade.
What is the basis for distinguishing between the domains Archaea and Bacteria?
Differences in cell wall composition and genetic makeup.
Multiple Choice: Which of the following is an example of a domain? A) Eukaryota B) Plantae C) Mammalia D) Insecta
A) Eukaryota.
