The Long, Tightly Coiled Tube on the Outer Wall of Each

question 27

Multiple Choice

The long, tightly coiled tube on the outer wall of each testis is the ________.

• A)epididymis
• B)vas deferens
• C)seminiferous tubule
• D)spermatic cord

---

Definitions:

Phylogeneticists

Scientists who study the evolutionary relationships and history among different species based on their genetic information.

Shared Derived Characteristics

Traits that are shared by a group of organisms due to common ancestry, distinguishing them from other organisms.

Common Ancestor

The most recent individual from which all organisms in a group are directly descended.

Metabolic Processes

The complex series of chemical reactions within organisms that enable them to maintain life, including pathways for energy production, synthesis of new molecules, and breakdown of substances.