Final answer:
Indicators of a biological lab include equipment such as microscopes, incubators, autoclaves, and refrigerators, as well as glassware such as culture tubes and test tubes.
Step-by-step explanation:
The indicators of a biological lab include equipment such as microscopes, incubators set for body temperature and room temperature incubation, autoclaves, and refrigerators. Glassware such as plastic disposable culture tubes, tryptic soy broth bottles, and test tubes are also commonly used in biological labs.