Species is the basic unit of classification. It is defined as a group of natural population whose members can interbreed among themselves and are reproductively isolated from other such groups.

Correct Option: A

Species is the basic unit of classification. It is defined as a group of natural population whose members can interbreed among themselves and are reproductively isolated from other such groups.

Linnaeus

Correct Option: B

Linnaeus

Taxon is a taxonomic group of any rank.

Correct Option: D

Taxon is a taxonomic group of any rank.

Biological classification is the scientific arrangement of organisms in a hierarchial series of groups and subgroups on the basis of similarities and differences in their traits. It helps in building evolutionary pathways and in identifying new organisms.

Correct Option: D

Biological classification is the scientific arrangement of organisms in a hierarchial series of groups and subgroups on the basis of similarities and differences in their traits. It helps in building evolutionary pathways and in identifying new organisms.

Individuals of the same species can interbreed. No two individuals share the same ecological niche.

Correct Option: C

Individuals of the same species can interbreed. No two individuals share the same ecological niche.