18 Questions
Which concept involves identifying unique characteristics of a particular taxon in relation to others?
Taxonomical Hierarchy
What is the main focus of cladistics in taxonomy?
Establishing evolutionary relationships
What type of evidence is used to establish evolutionary relationships in cladistics?
Morphological characteristics
In taxonomy, which level of classification is based on evolutionary relatedness?
Kingdom
What is the key role of a notochord in the Phylum Chordata?
Supports the body
Which procedure involves building cladograms to infer evolutionary relatedness?
Phylogenetic reconstruction
What is phylogeny primarily concerned with?
The history of the evolution of a species or group
What type of diagram is used to represent the evolutionary relationships among species?
Phylogenetic tree
What is a clade?
A group of organisms that includes an ancestor and its descendants
Which of the following is NOT a characteristic shared by mammals?
Feathers
Which pair of organisms is most closely related?
Kangaroo and crocodile
What is the primary method used to determine ancestor-descendant relationships in cladistics?
Comparing traits in related species
What is the characteristic feature of the phylum Porifera?
Porous body
Which of the following phyla is characterized by bilateral symmetry?
Platyhelminthes
What is the main characteristic of the phylum Arthropoda?
Jointed appendages, exoskeleton, and segmented body
What is the definition of a species?
Organisms that can reproduce naturally with one another and create fertile offspring
Why are Greek and Latin used for scientific names?
Because the meanings of Greek and Latin words are permanently fixed and universally understood
What is the rule for writing the genus and species in binomial nomenclature?
The genus is always written first, and the species is always written second
Test your knowledge on species diversity, cladistics, and building cladograms to infer evolutionary relationships in Biology. Learn to identify unique characteristics of different taxa and understand how classification is based on evolutionary relatedness.
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