A order is composed of a number of related ... a) kingdoms b) phyla c) families d) species

An order is composed of a number of the family followed by genus followed by species.

Explanation:

Categorizing the living organism based on their taxonomic rank is known as Biological classification. Taxonomic rank divides the organism in the following order Kingdom >Phylum> class> order > family> genus> species. The organisms are classified into these taxonomic ranks in taxonomic hierarchy based on specific descriptions of life forms. For examples plant and animals are placed into different kingdoms. Hence, the moves from broader classification to a specific classification of an organism. Each living organism has been categorized into a specific taxonomic rank up to species.