A geneticist or molecular biologist.
A scientist that studies fungi is called a mycologist.
A chemist
A scientist who studies gems such as rubies and diamonds is called a gemologist. They are experts in identifying and evaluating the quality and characteristics of gemstones.
They would probably either be an Atmospheric Scientist or an Oceanographer if they were studying the phenomenon itself, depending on which aspect they're looking at.
a childologist i am not too sure about this answer but if youthink its wrong call this number [1876]2564457]
A double helix.
A biotechnology scientist.
A Double Helix.
An Oceanographer. Marine Biologist, that sort of thing.
A scientist that studies viruses is called a virologist.
A scientist who studies mollusks is called a teuthologist.
A scientist that studies bears would be called an ursinologist.
virologist
An aviologist.
biologist
A meteorologist.
A vulcanologist