<span>92 elements have been found to occur in nature
</span>
Cancer, other antigens, diseases, blood type
Explanation:
Taxonomy is a field of plant systematics which is associated with the identification, arrangement and classification of the organism.
The classification of the organism is based on the morphological characteristics of the organism. These morphological characteristics of the organism are compared with the characteristics of the other organisms. The organism is classified based on similarities and differences.
Thus, the similarities and differences play an important role in the taxonomy.