A group of organic compounds having the same functional group and similar structures in which the successive members differ by CH2 group is called homologous series.
Alkynes:C3H4, C4H6, C5H8
Alkenes: C3H6, C4H8, C5H10
Analogous organs are those organs which have different structural designs and origin but perform similar functions.
Homologous organs are those which have the same basic structural design and origin but perform...
Homologous Organs - Organs with similar basic structure/ origin but modified to perform different functions.
Example: forelimbs of various vertebrates ( or any other) Wings of a butterfly and the wings...