Development of the Vertebrate Head and Sense Organs Was Largely

question 20

Multiple Choice

Development of the vertebrate head and sense organs was largely the result of two innovations:

• A)Appearance of an outer epidermis and an inner dermis
• B)Neural crest and ectodermal placodes
• C)Living endoskeleton and highly differentiated brain
• D)10 to 12 pairs of cranial nerves and an autonomic nervous system
• E)Pharynx and endocrine system

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Definitions:

Iraq

A country in Western Asia, bordered by Turkey, Iran, Kuwait, Saudi Arabia, Jordan, and Syria, notable for its ancient Mesopotamian heritage and rich reserves of oil.

North Korea

An East Asian country officially known as the Democratic People's Republic of Korea, known for its totalitarian regime, dynastic leadership, and isolation from much of the international community.

U.S. Troops

Members of the United States armed forces, including the Army, Navy, Air Force, Marine Corps, and Coast Guard.

Iraq's Economy

The economic framework of Iraq, characterized by its heavy reliance on oil exports, and impacted by political instability, conflict, and external interventions.