A Scientist Who Studies the Fossil Record of Human Evolution

question 3

Multiple Choice

A scientist who studies the fossil record of human evolution is a(n)

• A)paleoanthropologist.
• B)archaeologist.
• C)ethnologist.
• D)treasure hunter.
• E)primatologist.

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Definitions:

Axon

A long, narrow outgrowth of a neuron’s cell body that lets the neuron transmit information to other neurons.

Acetylcholine

A neurotransmitter in both the central and peripheral nervous systems involved in muscle activation and memory among other functions.

Antagonist

A substance that blocks or inhibits the effect of a neurotransmitter or hormone, or a character in conflict with the protagonist in literature.

Receptor Sites

Specific locations on the surface of a cell or within cells that are designed to bind with neurotransmitters, hormones, or drugs, triggering a biological response.