Answer is: Both scientists share knowledge with scientists in other fields. Both scientists make observations. Both scientists form and test hypotheses.
Both scientists always perform experiments in the lab is not correct, because biologists and astronomers often go outside to observe living organisms or distant objects like stars form example.
Biologist share their knowledge with chemists for example, astronomers with physics.
The scientific method is a process for experimentation that is used to explore observations.
Steps of the scientific method:
1) ask a question about something that is observed.
2) do background research.
3) construct a hypothesis, an attempt to answer questions with an explanation that can be tested.
4) test of hypothesis.
5) analyze collected data and draw a conclusion.
