Organisms are now given Latin-based scientific names. Structures are now examined at the molecular level. Organisms are now divided into three kingdoms. Structures are now used to classify organisms.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: The classification of some organisms has changed. Which new process is used to reclassify organisms?
Possibilities:
- Organisms are now given Latin-based scientific names.
- Structures are now examined at the molecular level.
- Organisms are now divided into three kingdoms.
- Structures are now used to classify organisms.

Structures are now examined at the molecular level.