Regarding the diversity of life and the need for a naming system, which of the following statements are accurate?
a. The living world comprises an amazing diversity, with the number of known and described species ranging between 1.7-1.8 million.
b. Local names for organisms are sufficient for global communication as they are standardized within each country.
c. Nomenclature is the process of standardizing names to ensure a single organism is known by the same name worldwide.
d. Identification is a prerequisite for nomenclature, as an organism must be described correctly before it can be named.
e. The International Code of Zoological Nomenclature (ICZN) provides the agreed principles and criteria for naming plants.
f. The purpose of scientific names is to ensure that each organism has at least two valid names to avoid confusion.
g. A proper description of an organism allows people from any part of the world to arrive at a different, regionally accepted name.