Homoplasty is also referred to as analogy. ‘Homogeny’ implies homology due to the inheritance of a feature from a common ancestor, and ‘homoplasty’ implies to the occurrence of homology due to any and all other factors.
This term was further improved upon by Ray Lankester, a British zoologist, who provided two more terms describing the type of homology observed. It is derived from the Greek words homos, meaning ‘same’ and logos, meaning ‘relation’. The term homology was coined in the year 1656. Homologous structures are structurally and functionally similar and derived from a common ancestor whereas, analogous structures have similar functions but are not descended from a common ancestor.
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