The Two Lineages of Prokaryotes, Archaea and Bacteria, Probably Diverged

question 15

Multiple Choice

The two lineages of prokaryotes, Archaea and Bacteria, probably diverged

• A) 4.1 billion years ago.
• B) 3.5 billion years ago.
• C) 2.6 billion years ago
• D) 1.6 billion years ago.

---

Definitions:

Ureter

A tube that carries urine from the kidneys to the bladder for storage until elimination.

Urethra

The duct through which urine exits the body from the urinary bladder, and in males, also conveys semen during ejaculation.

Renal Pelvis

The central part of the kidney where urine collects before moving into the ureter and then the bladder.

Peritoneal Membrane

A thin, delicate membrane that lines the interior of the abdominal cavity and covers the surfaces of abdominal organs.