Definition

1. Noun:
   • A method of biological classification: "cladistic analysis" refers to a systematic approach in biology for classifying organisms based on shared characteristics derived from a common ancestor.
   • A technique for inferring evolutionary relationships: It is a quantitative analytical method used to construct cladograms, which are branching diagrams that hypothesize the phylogenetic (evolutionary) history and relationships among groups of organisms.

Usage Examples

• Noun:
  • The biologist used cladistic analysis to determine the evolutionary relationships among the newly discovered insect species.
  • Cladistic analysis of the fossil data suggested that the two groups diverged much earlier than previously thought.

Advanced Usage

• "to perform a cladistic analysis": to conduct this specific type of systematic study.

  • The research team will perform a cladistic analysis on the genetic sequences.

• "based on cladistic analysis": indicating that a conclusion or classification is derived from this method.

  • The revised family tree, based on cladistic analysis, shows several surprising groupings.

Variants and Related Words

• Cladistics (n): The broader field or theory of biological classification that uses cladistic analysis as its primary methodology.

  • He specializes in the principles of cladistics.

• Cladogram (n): The branching diagram (tree) that results from a cladistic analysis, showing hypothesized evolutionary relationships.

  • The cladogram clearly illustrated which species were most closely related.

Synonyms

• Phylogenetic analysis: A closely related term often used interchangeably, though it may emphasize the study of evolutionary history itself.
• Cladistics: Can be used as a synonym for the general methodological approach.

Related Phrases

• Parsimony analysis in cladistics: A specific criterion (choosing the simplest explanation) often used within cladistic analysis to select the best cladogram.
  • The most likely evolutionary pathway was identified using parsimony analysis in cladistics.

Noun

1. a system of biological taxonomy based on the quantitative analysis of comparative data and used to reconstruct cladograms summarizing the (assumed) phylogenetic relations and evolutionary history of groups of organisms