Which taxon have maximum number of similar characters?

.......... has smallest number of organisms with maximum number of similar characters.

Which one of the following obligate category in taxonomic hierachy will have maximum number of common characters?

Which one of the following obligate category in taxonomic hierachy will have maximum number of common characters?

Which of the following taxa has least number of similar characters?

Select the group which shares maximum number of common characters

Select the group which shares maximum number of common characters