The Neural Tube Eventually Becomes the

question 45

Multiple Choice

The neural tube eventually becomes the

• A)spinal cord.
• B)optic nerve.
• C)umbilical vein.
• D)placenta.

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Definitions:

Henry David Thoreau

A 19th-century American essayist, poet, and philosopher, best known for his book "Walden," a reflection upon simple living in natural surroundings.

George Perkins Marsh

A 19th-century American diplomat and environmentalist considered one of the precursors to the modern environmental movement.

Conservationists

Individuals or groups dedicated to the preservation and protection of the environment and wildlife.

National Wilderness System

a designation for preserving federal lands in the US to maintain their natural condition.