competitive exclusion: meaning, definition, pronunciation and examples
LowAcademic / Technical
Quick answer
What does “competitive exclusion” mean?
The ecological principle that two species requiring identical resources cannot stably coexist, leading one to outcompete and eliminate the other from the habitat.
Audio
Pronunciation
Definition
Meaning and Definition
The ecological principle that two species requiring identical resources cannot stably coexist, leading one to outcompete and eliminate the other from the habitat.
A process or outcome where direct competition for the same limited resources results in the dominance or survival of one party and the failure or elimination of the other, applied in ecology, business, and economics.
Dialectal Variation
British vs American Usage
Differences
Spelling and usage are identical. Concept is equally prevalent in both academic traditions.
Connotations
Neutral-scientific in both varieties. Carries no strong positive or negative connotations in isolation.
Frequency
Almost exclusively encountered in academic, scientific, and business analysis texts in both regions.
Grammar
How to Use “competitive exclusion” in a Sentence
The [noun phrase] led to competitive exclusion.Competitive exclusion occurs between [noun phrase] and [noun phrase].[Noun phrase] is subject to competitive exclusion by [noun phrase].Vocabulary
Collocations
Examples
Examples of “competitive exclusion” in a Sentence
verb
British English
- The invasive grey squirrel competitively excluded the native red squirrel from much of its habitat.
- One species may competitively exclude another over time.
American English
- The new platform competitively excluded all the smaller rivals.
- In that model, the first entrant can competitively exclude later ones.
adverb
British English
- The species coexisted briefly before one was excluded competitively.
- Resources were partitioned, not allocated competitively exclusively.
American English
- The firms operated competitively but not exclusively at first.
- The law functions almost competitively exclusively in that niche.
adjective
British English
- The competitive exclusion process was rapid and complete.
- They studied the competitive exclusion dynamics in the lab.
American English
- We observed a clear competitive exclusion event.
- The report highlighted the competitive exclusion risk for startups.
Usage
Meaning in Context
Business
Describes markets where one dominant product or service eliminates all competitors (e.g., 'The app's viral growth caused competitive exclusion in the sector').
Academic
Core concept in ecology and evolutionary biology; used in economics and political science to model conflict over scarce resources.
Everyday
Rarely used in casual conversation. Might be used metaphorically in contexts like sports or politics.
Technical
Precise term in ecological modelling, referring to the outcome of the Lotka-Volterra competition equations.
Vocabulary
Synonyms of “competitive exclusion”
Strong
Neutral
Weak
Vocabulary
Antonyms of “competitive exclusion”
Watch out
Common Mistakes When Using “competitive exclusion”
- Using it as a synonym for general 'competition' (it's a specific outcome).
- Confusing it with 'competitive exclusion' as a legal/business term for anti-competitive practices (a related but distinct concept).
FAQ
Frequently Asked Questions
No. Predation involves one organism consuming another. Competitive exclusion involves two organisms competing for the same resources, with one being forced out without necessarily being eaten.
Yes, metaphorically. When companies compete for identical customers and resources, one may dominate the market so completely that others fail or are forced into a different niche, mirroring the ecological principle.
It is often called Gause's law after the Russian ecologist Georgy Gause, who demonstrated it experimentally in the 1930s with paramecia species.
Through processes like niche differentiation or resource partitioning, where species evolve to use slightly different resources, occupy different areas, or are active at different times, allowing coexistence.
The ecological principle that two species requiring identical resources cannot stably coexist, leading one to outcompete and eliminate the other from the habitat.
Competitive exclusion is usually academic / technical in register.
Competitive exclusion: in British English it is pronounced /kəmˈpɛtɪtɪv ɪkˈskluːʒən/, and in American English it is pronounced /kəmˈpɛtətɪv ɪkˈskluːʒən/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “It's a textbook case of competitive exclusion.”
- “Nature abhors a complete competitor.”
Learning
Memory Aids
Mnemonic
Think of two plants in one small pot. They fight for the same soil, water, and light. Only the strongest survives – the other is EXCLUDED by COMPETITION.
Conceptual Metaphor
LIFE IS A STRUGGLE FOR RESOURCES; THE WORLD IS A CONTAINER WITH LIMITED SPACE/GOODS.
Practice
Quiz
What is the 'competitive exclusion principle' most closely associated with?