animals
The direct object is animals. You ask, 'zoologists study what?'; the answer, 'they study animals'.
The prefix for "animal" is "zoo-" so they are called zoologists.
A scientist who devotes themselves solely to the study of butterflies and moths is known as a lepidopterist.
Zoologists.
Zoologists
The prefix for "animal" is "zoo-" so they are called zoologists.
Zoologists.
Zoologists.
zoologists
Zoologists.
Zoologists study animals and the biology of animals.
Zoologists study animal behaviors and watch animals in their native environments. They are often found working at zoos or for the government.