1.

Differences between analogous and homologous structures :(b) Select and write analogous structures from the Iist given below : (i) Wings of butterfly and birds (ii) Vertebrate hearts (iii) Tendrils of bougainvillea and cucurbita (iv) Tubers of sweet potato and potato -

Answer»
Analogous structuresHomologous structures
These are structures  having similar function but different structure and origin.These are structures having fundamental similarity in structure and origin but different functions.
They are based on convergent evolution.They are based on divergent evolution.

(b) Analogous structures are: 

* Wings of butterfly and birds: Both are used for flying but have different internal structures.

* Tubers of sweet potato and potato: Both are used   for food storage, but have different structure and origin.


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