The Precambrian-Cambrian Boundary Represents the First Appearance of ____

question 24

Multiple Choice

The Precambrian-Cambrian boundary represents the first appearance of ____.

• A)vertebrates
• B)amphibians
• C)reptiles
• D)animals with skeletons
• E)animals with soft bodies

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Definitions:

United Nations Charter

A foundational treaty established in 1945 that outlines the principles, structure, and functioning of the United Nations to promote international cooperation and maintain peace.

Race

A social construct that categorizes people based on physical characteristics such as skin color, as well as cultural, historical, and geographical factors.

Human Rights

The basic rights and freedoms that all individuals are entitled to, regardless of nationality, sex, national or ethnic origin, race, religion, language, or other status.

Black Boy

A term sometimes used historically to refer to young African American males, but also the title of an autobiography by Richard Wright detailing African American life in the early 20th century.