The Pectoral Girdle Consists of

question 14

Multiple Choice

The pectoral girdle consists of

• A)the sternum and two clavicles.
• B)two scapulae.
• C)the sternum, two scapulae, and two clavicles.
• D)two scapulae and two clavicles.

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Definitions:

Pinnately Netted Venation

A pattern of leaf vein formation where one main vein extends from the base to the tip of the leaf, with smaller veins branching off laterally.

Guard Cells

Specialized cells in the epidermis of leaves, stems, and other organs that regulate the opening and closing of stomata to control gas exchange.

Dumbbell-Shaped

A description of an object or structure that is narrow in the middle and wider at both ends, resembling the shape of a traditional dumbbell used for exercising.

Mesophyll

The inner tissue of a leaf, containing many chloroplasts, where photosynthesis occurs.