Which Numbered Feature(s)on This Photograph Are Consistent with the Presence

question 18

Multiple Choice

Which numbered feature(s) on this photograph are consistent with the presence of glaciers sometime in the past?

• A)1, an arête
• B)2, U-shaped valley
• C)3, tarn
• D)All of these.

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Definitions:

Apical Meristems

Regions at the tips of plant roots and shoots where cells actively divide, leading to growth.

Lateral Meristems

Plant tissue responsible for growth in thickness or girth in a maturing plant, located in stems and roots.

Primary Growth

Of plants, lengthening of young shoots and roots; originates at apical meristems.

Secondary Growth

Of plants, thickening of older stems and roots; originates at lateral meristems.