bonest
observational studies
probably gastroenterologists
As far as scientists know, Jupiter is made out of a gas and therefore does not have any trees.
A geophysicist.
Psychiatrist
TaxonomistA taxonomist studies classification.
paleontologist
Chemists.
Possibly an anthropologist.
yo face oligist dats what kind
Any scientists interested in earth sciences: mineralogist and mining engineer.
Chlamydia is studied by microbiologists, epidemiologists, pathologists, and many other types of scientists.
Scientists do not study family trees. Geneticists are scientists who study genetics and inheritance. Genealogists study family trees, but they are not scientists.
observational studies
Epidemiologist
A Nuclear Physicist or Researcher or Technician would be scientists who know that.
an enviornmentalist studies the enviorment