Definition

1. Adjective:
   • Relating to the evolutionary development of organisms: "Phyletic" describes something pertaining to the evolutionary history and lineage of a species or group of organisms. It is concerned with the lines of descent and the sequence of changes over time.

Usage Examples

• Adjective:
  • The museum exhibit illustrated the phyletic relationships among modern birds and their dinosaur ancestors.
  • Scientists study phyletic patterns to understand how different species are related through common descent.

Advanced Usage

• "Phyletic gradualism": A model in evolutionary biology proposing that evolution occurs by the gradual transformation of whole populations over long periods.
  • The fossil record does not always support the theory of phyletic gradualism.

Variants and Related Words

• Phylogenetic (adj): Essentially synonymous with "phyletic," relating to the evolutionary development and diversification of a species or group.
  • A phylogenetic tree shows the inferred evolutionary relationships.
• Phylogeny (n): The evolutionary history and lineage of a species or taxonomic group.
  • The phylogeny of mammals is a complex subject of study.

Synonyms

• Evolutionary: Pertaining to the process of evolution.
• Phylogenetic: Of or relating to the evolutionary development and history of a species.

Notes on Meaning

The term "phyletic" is primarily used in scientific contexts, especially in biology and paleontology. It is often used interchangeably with "phylogenetic," though some distinctions can be made in specialized literature, with "phylogenetic" sometimes having a broader scope that includes the methods of inferring such relationships.

Adjective

1. of or relating to the evolutionary development of organisms
   • phylogenetic development