Answer:
Both show the characteristic of a living organism
Step-by-step explanation:
A thing can be considered a living thing if it fulfills the criterion of a living organism or in simple terms the characteristics of a living organism. In the given question, the two features that are growth in the mass and size of the sliver are measured and observed through the microscope.
Since the growth is the characteristic feature of the living organism and the substance fulfills this condition therefore the specimen is considered a living organism.
Thus, both show the characteristic of a living organism is correct.