Question
Differentiate between obligate categories and intermediate categories. Demonstrate with the help of a flowchart.
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Answer
The taxonomic categories from species to kingdom are broad categories or obligate categories. However, taxonomists have also developed sub-categories in this hierarchy to facilitate more sound and scientific placement of various taxa. These sub-categories are sub-species (or varieties), sub-genera, sub-families, sub-orders, sub-classes and sub-phyla. These sub-categories are referred to as intermediate categories.
| Obligate categories | Intermediate categories |
| Kingdom | Subkingdom |
| Phylum or Division | Subphylum or subdivision and superclass |
| Class | lnfra class and subclass |
| Orde | Superorder and suborder |
| Family | Subfamily and tribe |
| Genus | Subgenus |
| Species | Subspecies, variety or race |
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