Birds That Have a Breastbone Designed for Flight Are Classified

question 47

Multiple Choice

Birds that have a breastbone designed for flight are classified as:

• A)Chelicerates
• B)Carinates
• C)Ratites
• D)Mandibulates
• E)Monotremes

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Definitions:

Bony Labyrinth

A complex system of passages and cavities within the temporal bone of the skull, housing the organs of hearing and balance.

Tastant

A substance that can be tasted, stimulating the taste buds and contributing to the sense of taste.

Depolarize

To decrease the membrane potential of a cell, making the interior less negatively charged relative to the outside.

Taste Bud

Sensory structure, mostly on the tongue, that functions as a taste receptor.