Answer:
An Organism
Step-by-step explanation:
In biology, scientists defined the characteristics which distinguished between a living thing that has life and a non-living thing which do not have the life.
The thing or entity that shows the characteristics of life like made of the cell, reproduce, genetic material and many others are known as an organism. Thus the biology is the field of study that studies the different types of organisms like bacteria, protists, animals and plants or living things present on this Earth.
Thus, an organism is the correct answer.