Nomenclature And Taxonomy

Endlicher and de Candolle are recognized taxonomists who significantly contributed to plant classification. Endlicher was an Austrian botanist known for botanical taxonomy, while de Candolle developed natural classification systems. The others, such as Hugodevries, Haeckel, and Frankel Konrat, made contributions in other fields like evolution, zoology, and biochemistry, but not taxonomy.

Statement A is incorrect because species is defined as a group of organisms with similar characteristics, not fundamental dissimilarities. Statements B, C, and D are correct: similar characters are grouped into higher categories (B), common characteristics decrease from species to kingdom (C), and members of lower taxa share more characteristics (D).