elected by the members
The U.S. Constitution requires that the Senate have two officers. Theses are the President of the Senate, which is the Vice President of the United States, and the President pro tempore, which is traditionally the senior member of the majority party in the Senate.
He chosen by the usual process specified by the Constitution. He nominated by the President and confirmed by the US Senate.
Article 2 section 2 of the US constitution "He shall have Power, by and with the Advice and Consent of the Senate, to make Treaties, provided two thirds of the Senators present concur; and he shall nominate, and by and with the Advice and Consent of the Senate, shall appoint Ambassadors, other public Ministers and Consuls, Judges of the supreme Court, and all other Officers of the United States, whose Appointments are not herein otherwise provided for, and which shall be established by Law: but the Congress may by Law vest the Appointment of such inferior Officers, as they think proper, in the President alone, in the Courts of Law, or in the Heads of Departments."
seniority
none knows
The only guaranteed condition specified by the Constitution concerning the nature of state governments was a Republic Form of government. The Constitution also states that each state will be protected from invasion as well.
The Speaker of the House and the President of the Senate.
speaker of the house, majority leader, minority leader. boom.
According to the us constitution who is the presiding officer of the senate?
the president
The Senate is composed of 100 Senators, two from each of the (currently) 50 states. Two senators per state is specified in the US Constitution and could only be changed by constitutional amendment.
Yes, under Article II, Section 2 of the US Constitution, it states: 2. He shall have the power, by and with the consent of the Senate, to make treaties, provided two thirds of the senators present concur; and he shall nominate, and by and with the advice and consent of the Senate, shall appoint ambassadors, other public ministers and consuls, judges of the Supreme Court and all other officers of the United States, whose appointments are not herein otherwise provided for. . ."