Which of the Following Statements Explains How CAM Plants Have

question 83

Multiple Choice

Which of the following statements explains how CAM plants have evolved to cope with the dangers of excessive water loss in very hot and dry regions like deserts?

• A) They are more efficient at water uptake than are C₃ and C₄ plants.
• B) They have special adaptations that cool them off in very hot and dry weather.
• C) They close their stomata at night and open them at daybreak to conserve water.
• D) They open their stomata at night and close them at daybreak to conserve water.

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Unstated Premise

An implicit assumption or belief in an argument that is not expressed by its premises or conclusion.

Unstated Premise

An implicit assumption in an argument that is not directly expressed.

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Unstated Premise

An implied assumption in an argument that is not expressed explicitly.