Who controls a panel by policing the time that a person takes to give an opening statement, politely cutting off or redirecting rambling answers to a single question, and ensuring that all have equal opportunity to express their views?

A moderator is responsible for controlling a panel.

Explanation:

The moderator of an event controls the pace of the event and ensures panelists responds to questions in an orderly and controlled manner. He allocates time to panelist and ensures they respond within the stipulated time. He also has a responsibility to the audience to make sure the conversation is meaningful to them.

the branch of biology that deals with the normal functions of living organisms and their parts.

the way in which a living organism or bodily part functions.

dude the first thing it says is that copied answers will get a zero. plus it would take anyone on an incredibly long time to answer. ive seen 2 people asking the exact same question and their questions got taken down. i have the assignment too, and im in the progress of doing it. i suggest going to a more private website, because this is the first place teachers look.