Earthworms, which are land invertebrates, and caecilians, which are amphibians, have evolved with traits that enable them to burrow; both live in moist soil and have an elongated and slender body. ...
... Which evolutionary mechanism do they represent?
The answer is: convergent evolution.. [http://openstudy.com/updates/4f3d8d60e4b0cf389e29a462]
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