In the Section "Investigating Life: Sniffing Out the Origin of Feathers",the

question 116

Multiple Choice

In the section "Investigating Life: Sniffing Out the Origin of Feathers",the scientists looked for a correlation between which two variables?

• A)mass and nasal cross section
• B)mass and endothermy
• C)extinction and mass
• D)evolution and mass
• E)extinction and nasal cross section

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Definitions:

Fenestration

A surgical procedure involving the creation of a new opening, especially in the bony part of the inner ear to treat hearing loss.

Monaural

Pertaining to or affecting one ear, used in contexts related to hearing.

Mon(o)-

A prefix meaning one, single, or alone.

Endaural

Related to, occurring within, or performed through the ear canal.