How useful is the study of Body cavity and coelom, in the classification of animals?

How is the study of plant anatomy useful to us?

Statistical methods used in classification

Body cavity of annelids/Nereis is

How is a key helpful in the identification and classification of an organism?

What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?

Taxonomic key is one of the taxonomic tools in the identification and classification of plants and animals. It is used in the preparation of

Taxonomic key is one of the taxonomic tools in the identification and classification of plants and animals. It is used in the preparation of

The taxonomic unit 'Phylum' in the classification of animals is equivalent to which hierarchial level in classification of plants ?

Assertion. Hierarchial system of classification is useful in that it reduces the volume of description in a catatogue of animals and plants. Reason. Characters given for a larger category (say a phylum) need not be repeated for smaller categories (say classes, orders, etc.)

The taxonomic unit 'Phylum' in the classification of animals is equivalent to which hierarchical level in classification of plants