The Texas Adoption Project and Other Similar Investigations Confirm That

question 18

Multiple Choice

The Texas Adoption Project and other similar investigations confirm that

• A) both environment and heredity contribute to IQ.
• B) environment plays a greater role than heredity in IQ.
• C) heredity plays a greater role than environment in IQ.
• D) children adopted before age 6 score 10 to 15 IQ points below the mean.

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Definitions:

Ganglionic Layer

A layer of the retina that contains the cell bodies of ganglion cells and is a critical part of the visual pathway.

Choroid Layer

A layer of the eye between the retina and the sclera that contains blood vessels and provides oxygen and nutrients to the eye.

Pigment Cell Layer

A layer of cells that contain pigment, such as the melanin-containing cells found in the skin or the iris of the eye, which provide coloration and protection from UV light.

Tympanic Membrane

Also known as the eardrum, a thin membrane that vibrates in response to sound waves, transmitting sounds to the middle and inner ear.