| A | B |
|---|
| biologist | a scientist who studies life in all its forms; all plants and all animals |
| botanist | a scientist who studies plants |
| ecologist | a scientist who studies relationships among living things and between organisms and their environment |
| entomologist | a scientist who studies insects |
| exobiologist | a scientist who works with astronomers to search for life elsewhere in the universe |
| herpetologist | a scientist who studies reptiles |
| ichthyologist | a scientist who studies fish |
| limnologist | a scientist who studies freshwater and the organisms that live there |
| marine biologist | a scientist who studies life in the ocean |
| microbiologist | a scientist who studies organisms that can be seen only with a microscope |
| ornithologist | a scientist who studies birds |
| zoologist | a scientist who studies animals |
