Which of the Following Were Early Tetrapod Innovations

question 83

Multiple Choice

Which of the following were early tetrapod innovations?

• A) limbs evolved from lobed fins
• B) pulmonary circulatory system
• C) inner ear changes to detect airborne sounds
• D) eyelids
• E) all of these were early tetrapod innovations

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Definitions:

American Labor Force

The collective group of employed individuals or those actively seeking employment in the United States.

1920

A significant year marked by various historical events, including the ratification of the 19th Amendment to the U.S. Constitution, granting women the right to vote.

Withholding Their Labor

A form of protest or collective bargaining where workers refuse to work to gain leverage over their employer, typically for better wages or working conditions.

Extract Concessions

The act of obtaining something of value through negotiation or pressure, especially in a political or business context.