Question

biologists begin a study by asking questions and

sending out results for a peer review.
performing statistical analysis.
making observations.
drawing conclusions.

Explanation:

In the scientific method, which biologists follow, after asking questions, the next step is making observations to gather data. Peer - review comes after research is completed, statistical analysis is done later in data - processing, and conclusions are drawn at the end of the study.

Answer:

making observations.