List all the levels of biological classification of organisms from lowest to highest.

Name the basic unit of biological classification.

Phenetic classification of organisms is based on

Phenetic classification of organisms is based on

The main purpose of classification of organisms is to

The basic unit of biological classification is a species.

Classification of organisms is required because

All the categories used in classification of organism constitute:-

The main purpose for the classification of organisms is to

Classification of organisms on the basis of natural affinities :

In the biosphere, immense biological diversity exists at all levels of biological organisation. Explain any two levels of biodiversity.