a vegtablealist or a vegatarien
what is the study of protozoans known as?
An astronomer or an astro physicist.
There is no specific name for a person who studies squids. A marine biologists is someone who studies ocean life.
A gemologist studies gems.
A person who studies and practices a particular field is often referred to as a "practitioner." Depending on the specific area of study, they may also be called a "scholar," "researcher," or "expert." For example, someone who studies medicine and practices as a doctor would be called a medical practitioner.
The name for someone who studies caves is a speleologist or a spelunker.
A psychologist is the proper name for someone who studies the mind.
There is no special name for someone who studies Hebrew.
Someone who studies planetary systems is called a planetary scientist
chemist
Eugenicists
microbiologist :)
A geologist.
Ornothologist
chemist
A botanist is someone who studies plants.
A person who studies Earth is called a geologist.