Experimental Studies Found That Increased CO₂ caused Some Types of Plants

question 37

Multiple Choice

Experimental studies found that increased CO₂ caused some types of plants to increase their overall growth rates. What aspect of phenotypic plasticity contributed to the increase in growth rate?

• A) increased production of trichomes
• B) increased production of glucosinolate
• C) decreased time that stomata are open
• D) decrease in the size of the roots

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Definitions:

Glaciers

Large, slow-moving masses of ice formed from compacted layers of snow, which move under their weight and shape the land beneath.

Cirque

A bowl-shaped, steep-walled mountain basin carved by glaciation, often containing a small lake.

Continental Ice Sheet

A large mass of ice covering extensive parts of continents and flowing outward from central, thicker areas, altering landscapes through erosion and deposition.

U-Shaped Valley

A glacially carved valley characterized by steep sides and a flat bottom, resembling the shape of a "U."