convergent evolution

noun

: the independent development of similar traits or features (as of body structure or behavior) in unrelated or distantly related species or lineages that typically occupy similar environments or ecological niches

The remarkable resemblance of these moths to hummingbirds is a case of convergent evolution. Both are after the same thing: nectar deep within tubular flowers that lack "landing pads."

—Dan Gill

In some cases, a taxon is composed of the descendants of unrelated ancestors that evolved similar features by convergent evolution and for this reason have been mistaken as relatives.

—Douglas J. Futuyma

called also convergence

compare analogy, divergent evolution, parallel evolution

Word History

First Known Use

1898, in the meaning defined above