Biology
General
Easy
Question
Which one of the following describes correctly the homologous structures?
- Organs that have no function now but had an important in ancestors
- Organs appearing only in embroynic stage and disappearing later in the adult
- Organs with anatomical similarities but performing different functions
- Organs with anatomical dissimilarities but performing same functions
The correct answer is: Organs with anatomical similarities but performing different functions
The term homologous was introduced by Richard Owen (1834). Homologous organs are those organs, which are similar in origin and basic structure but are adapted differently to perform different functions, e.g., forelimb of human and wings of bat.
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