Figure 51-1 ​ ​

question 49

Multiple Choice

Figure 51-1 ​

​
The structure labeled as 2 in the accompanying figure is the

• A) endoderm layer.
• B) mesoderm layer.
• C) blastopore.
• D) blastocoel.
• E) archenteron.

---

Definitions:

Gain-framed Appeal

Messages that emphasize the benefits of engaging in a certain behavior or taking a specific action.

Working Out

The activity of exercising, often at a gym or at home, to improve physical fitness.

Good Health

A state of physical, mental, and social well-being, not merely the absence of disease or infirmity.

Attribution Theory

A psychological framework that explains how individuals infer the causes of others' behaviors, attributing them to either internal dispositions or external situations.