English Reference

Word

phylogenetic

Phoneticsphy·lo·ge·net·ic

Definition

adj. relating to the evolutionary history and relationships between different species. Scientists use this to understand how living things are connected through their shared ancestors.

adj. relating to the evolutionary development and classification of species based on their common ancestry. Often used in biological contexts to describe the branching patterns of a family tree.

Examples

“The researchers studied the phylogenetic relationships between the two birds.”

“By comparing the DNA of various species, scientists can map out the phylogenetic tree to see how they evolved over millions of years.”

“The discovery of the fossil provided critical evidence for the phylogenetic link between marine reptiles and the first land-dwelling mammals.”

Examples

simple

“The researchers studied the phylogenetic relationships between the two birds.”

contextual

“By comparing the DNA of various species, scientists can map out the phylogenetic tree to see how they evolved over millions of years.”

complex

“The discovery of the fossil provided critical evidence for the phylogenetic link between marine reptiles and the first land-dwelling mammals.”

Real-World Examples

“Using phylogenetic comparative methods, the researchers estimated how frequently eusociality evolved among insects with different genetic systems.”
ScienceDaily 15 Aug 2026
“Then, they used the gold standard of phylogenetic analysis, a method called targeted sequence capture, which identifies and sequences hundreds of genes of interest from an organism.”
Phys.org 14 Aug 2026

Etymology

From phylo- + genetic, from German phylogenetisch, coined by Ernst Haeckel in 1866, from Phylogenese + -isch.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Occasional
Level
C1 · Advanced
Updated

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