convergent evolution

American  

noun

1. the appearance of apparently similar structures in organisms of different lines of descent.

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convergent evolution Cultural  

1. The development through evolution of similar features by organisms with distinctly different ancestors. A common example of this is the evolution of wings in insects and birds.

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Etymology

Origin of convergent evolution

First recorded in 1965–70

Example Sentences

It’s an example of convergent evolution, when completely unrelated species independently evolve comparable traits in response to similar environmental pressures.

From Slate • Jan. 25, 2026

"The convergent evolution of crabs has happened about five times in history, but it's happened within the group of decapods."

From BBC • Oct. 17, 2025

There’s still so much to figure out about how convergent evolution works, not just in crabs but in all organisms.

From Salon • Oct. 14, 2024

"Our research highlights a fascinating example of convergent evolution, where ferns and flowering plants independently developed similar strategies to defend themselves against predation by recruiting ant defenders with nectaries," said Suissa.

From Science Daily • May 30, 2024

There may be some convergent evolution because there may be only one best solution to a certain environmental problem— something like two eyes, for example, for binocular vision at optical frequencies.

From "Cosmos" by Carl Sagan