Well just like the subatomic particles, pro-tons, elec-trons, neu-trons, these children are called PER-SONS
environmental scientist
A Politition.
That person would be called a scientist
an actor or actress. the guys in the background are called extras
A scientist.
Scientist call the seahorse a "Hippocampus"; a latin word
A military scientist
A biotechnology scientist.
I have no idea. Call a scientist or something I have no idea. Call a scientist or something
A scientist who works at night is often referred to as a nocturnal scientist or a night researcher.
One such scientist is an engineer.
An Oceanographer. Marine Biologist, that sort of thing.