marine bioligist
scientist
An entomologist is a scientist that studies insects and 'bugs.' A chiropterologist is a scientist who studies bats. An ornithologist studies birds. It would depend on what small, winged creature was being studied.
A scientist that studies bats is called a chiropterologist.
An Entemologist
A scientist who studies mollusks is called a teuthologist.
A mineralogist studies minerals.
An ecologist studies pollution
The kind of scientist who studies Urology would be a Biologist, since Urology concerns a biological function (urination). If you mean the kind of doctor who studies Urology, that would be a Urologist.
meteoroligists
Audiologist
An Ichthyologist.
Botanist
cosmologists
seismologist
a biologist
Mathmaticion
A zoologist.