Which Structure Is Derived from an Ancestral Air-Breathing Lung in Ray-Finned

question 16

Multiple Choice

Which structure is derived from an ancestral air-breathing lung in ray-finned fishes and is used to increase buoyancy?

• A) swim bladder
• B) spiral valve
• C) operculum
• D) atrium
• E) lateral-line system

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Definitions:

Dietary Assessment

The evaluation of a person's nutritional intake over a period to determine their dietary habits and health status.

Protein Deficiency

A nutritional deficiency where the intake of protein is insufficient to meet the body's needs, leading to various health problems.

Tea and Toast

A phrase often describing a simple and comforting meal or food choice, commonly associated with care, simplicity, or home remedies.

Solid Foods

Foods that are not liquid or pureed, typically introduced to infants between 4 to 6 months of age as they develop the necessary oral and motor skills.