How Many Domains of Life Did the Universal Ancestor Produce

question 37

Multiple Choice

How many domains of life did the universal ancestor produce?

• A)one
• B)two
• C)three
• D)four

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Definitions:

Otitis

Inflammation of the ear, which can affect the outer, middle, or inner parts and can cause pain, fever, and sometimes, difficulty hearing.

Otosclerosis

A condition characterized by abnormal growth of bone in the middle ear, often leading to hearing impairment.

Ménière's Disease

A disorder of the inner ear characterized by episodes of vertigo, tinnitus, and hearing loss.

Otomycosis

A fungal infection of the ear, usually affecting the ear canal, characterized by pain, itchiness, and possible hearing loss.