The Feathers of Birds Are Derived from the Scales of Their

question 9

Multiple Choice

The feathers of birds are derived from the scales of their __________ ancestors.

• A)cartilaginous fish
• B)bony fish
• C)hagfish
• D)reptilian
• E)amphibian

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Definitions:

Defense Mechanism

Psychological strategies brought into play by individuals, unconsciously, to cope with reality and maintain self-image.

Compensation

Refers to the total cash and non-cash payments that employees receive in exchange for their work, including salaries, bonuses, benefits, and incentives.

Semicircular Canals

Structures in the inner ear that are part of the vestibular system, helping to regulate balance and spatial orientation.

Vestibular Sense

The sense of body movement and position, including the sense of balance.