The basic unit of classification for plants and animals is ....

Describe the laws of nomenclature.

Reproduction is possible between two members of which taxonomic category?

Statement $A$: $A$ genus includes more than one species.
Reason $R$: An extinct human species is $Homo\, erectus$.
Which option is correct for Statement $A$ and Reason $R$?

Which of the following is the correct ascending order of the taxonomic hierarchy based on the number of organisms?

Which of the following statements is inconsistent with classification?