What does death knell mean? Definitions for death knell Here are all the possible meanings and translations of the word death knell. Princeton's WordNet (0.00 / 0 votes) Rate this definition: death knell (noun) an omen of death or destruction. death knell, death bell (noun) a bell rung to announce a death
There are many types of biologists. Some work on microorganisms, while others study multicellular organisms. There is much overlap between different fields of biology such as botany, zoology, microbiology, genetics and evolutionary biology, and it is often difficult to classify a biologist as only one of them.
Some Types of Scientists. 1  An agronomist specializes in soil and crops. 2  An astronomer studies stars, planets and galaxies. 3  A botanist specializes in plants. 4  A cytologist specializes in the study of cells. 5  An epidemiologist studies the spread of diseases. 6  An ethologist studies animal behavior. An agronomist specializes in soil and crops. 2  An astronomer studies stars, planets and galaxies. 3  A botanist specializes in plants. 4  A cytologist specializes in the study of cells. 5  An epidemiologist studies the spread of diseases.