Final answer:
Anthropologists need to obtain informed consent, ensure participant safety, and practice ethical research methods.
Step-by-step explanation:
Anthropologists need to take several precautions in their research. Firstly, they must obtain informed consent from participants and inform them of the responsibilities and risks involved. Secondly, anthropologists must ensure the safety of participants and stop the research if anyone is in potential danger. Finally, they should practice ethical and unbiased research methods to avoid producing untrustworthy sources.