Figure 23-2 Use the Figure to Answer the Corresponding Question(s)

question 34

Multiple Choice

Figure 23-2
Use the figure to answer the corresponding question(s) .
-In Figure 23-2, the taxon labeled II is:

• A) monophyletic.
• B) paraphyletic.
• C) polyphyletic.
• D) a clade.
• E) an outgroup.

---

Definitions:

Dizygotic Twins

Twins that arise from the separate fertilization of two eggs; commonly known as fraternal twins. Compare with monozygotic twins.

Fraternal Twins

Twins that develop from two different eggs fertilized by two different sperm, resulting in siblings that are genetically distinct.

Extraembryonic Membrane

Membranes forming outside the embryo that support its development, including the yolk sac, amnion, chorion, and allantois in vertebrates.

Keeps Embryo Moist

A function of the amniotic egg or other structures in various organisms to prevent desiccation of the embryo in a terrestrial environment.