Question

what is homo logous series and their characters​

Answer 1

Homologous series is the series which consists of Same number of family with the similar chemical and physical properties.

For example :- all the carbon and its compound which is of group carboxylic acid have similar physical and chemical properties but there is vary in their melting and boiling point and also changes are seen in their properties of ions.

Hope it will help you.

Answer 2

The organs which have same basic

structure and origin but different

functions and appearance are

homologous organs.

Eg: Forelimbs of a frog, lizard, bird,

etc.. seem to be built on same. basic design but perform different functions.

The presence of these organisms provide an evidence of evolution by telling us that they derive from a common ancestor.