Rapid Changes to Skin Color in Many Vertebrates Is Under

question 9

Multiple Choice

Rapid changes to skin color in many vertebrates is under the control of ________.

• A) melanocyte-stimulating hormone
• B) adrenocorticotropic hormone
• C) thyroxine
• D) melatonin

---

Definitions:

Secondary Labor Market

Employment sectors characterized by low pay, low job security, and poor working conditions, often distinguished from primary sectors which offer better employment conditions.

Primary Labor Market

Refers to high-skilled, high-paying jobs that usually require a higher level of education or training, often offering benefits and job security.

High School Diploma

A certificate awarded upon successful completion of secondary education, signifying that the recipient has met the required educational standards.

Income Effect

Adjustments in the income of people or economic systems and the consequent impacts on how much of a good or service is desired.