As Trees Get Larger and the Number of Leaves Increases

question 165

Multiple Choice

As trees get larger and the number of leaves increases, transpiration rates rise and demand for water increases. How do mature plant stems meet this added demand for water?

• A)Cells of the xylem continue to divide and produce more cells that transport water.
• B)Vascular cambium continues to divide, and cells of its inner surface differentiate to form additional secondary xylem cells.
• C)Cells of secondary phloem adjacent to the vascular cambium differentiate into xylem cells.
• D)Cells present in the pith closest to the xylem differentiate into xylem cells.

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Definitions:

Amnesia

A condition characterized by the loss of memories, such as facts, information, and experiences, which can be temporary or permanent.

Retrograde Amnesia

A loss of memory-access to events that occurred or information that was learned before an injury or the onset of a disease.

Anterograde Amnesia

A condition characterized by the inability to form new memories following the onset of the condition.

Graduated Amnesia

A hypothetical or not commonly used term that may refer to the progressive loss of memory.