paleontologist
Apiologist.
Who studies fossils.
Zoologist
Animals that are extinct from the earth are animals that used to live on the earth but are all dead now. Endangered animals are almost extinct.
A geologist studies rocks and what the earth is made of. A petrologist is someone who looks at rocks directly.
zoologistZoologist are scientist that study animals
ecologist
I would describe such a scientist as an environmental scientist.
The name for this type of scientist is a teuthologist
A paleontologist studies the history of plants and animals.
A geological scientist studies rock and stones.
a type of scientist who studies about metal is called metallururgist
A scientist who studies animal life is a zoologist. There is no particular name for a scientist that specialises in platypuses.
The type of scientist that studies the environment is an enviromentologist.
what scientist studies hydrogen and oxygen
chromotologists
Aeronomist