What Does Water Potential Refer To

question 42

Multiple Choice

What does water potential refer to?

• A) a relative value that is defined in reference to distilled water at atmospheric pressure of 10 MPa
• B) a relative value that is defined in reference to pure water at atmospheric pressure of 10 MPa
• C) a relative value that is defined in reference to pure water at atmospheric pressure of 0 MPa
• D) a relative value that is defined in reference to distilled water at atmospheric pressure of 0 MPa

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Definitions:

Notochord

A flexible rod made out of a material similar to cartilage that provides support in the embryonic stages of all chordates and some adult animals.

Phylum

A major category in the classification of living organisms, ranking above class and below kingdom.

Characteristic

A distinguishing feature or quality that defines or identifies something.

Echinoderms

A phylum of marine animals that includes starfish, sea urchins, sea cucumbers, and sand dollars, characterized by radial symmetry and a unique water vascular system.