What do you mean? There can be different subheadings like snails,butterflies, inverterbrates.I seriously think you should ask that you should ask that question again but in a more specific way.
a sub heading is a heading that breaks down a subject into sections
A heading will allow the reader to understand what the topis is about. A sub-heading will allow the reader to understand what that particular section is about. For Example: Heading - Baseball Positions Sub Headings -First Base -Second Base -Third Base -Catcher Hopefully this helps....
A sub-heading in an article is called a strapline.
1. Topic one/ main idea A. Sub heading 1. More info on sub heading 2. " B. Second sub heading still on first topic 1. 2. 2. Second topic/ main idea A. 1. You get the idea....
Briefly informs the reader on the topic of the text.
Find out your self idiots
Blank with a title and a sub-heading.
a title sub heading, or main idea
Loans and advances are a sub heading of current assets.
the purpose of a subheading is to explain a little more about the heading
diet habitat apperance intresting facts/did you know and population
Introduction? Or if its the sentence in smaller, bold lettering, its the sub-heading..:)