Researchers Estimate That in Maintaining a Particular Body Size and Weight,inherited

question 59

Multiple Choice

Researchers estimate that in maintaining a particular body size and weight,inherited factors contribute about ____ while environmental factors contribute about ____.

• A) 40%; 60%
• B) 50%; 50%
• C) 70%; 30%
• D) 30%; 70%

---

Definitions:

Tympanic Membrane

Eardrum; cellular membrane that separates the external from the middle ear; vibrates in response to sound waves.

Oval Window

Membranous structure to which the stapes attaches; transmits vibrations to the inner ear.

Optic Chiasma

A part of the brain where the optic nerves partially cross, playing a crucial role in the visual system by combining visual information from each eye.

Optic Nerve

The nerve that transmits visual information from the retina to the brain.