Which of the Following Statements Explains How CAM Plants Have

question 18

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.

---

Definitions:

Hormonal Method

A contraception method that involves the use of hormones to prevent pregnancy.

Oral Contraceptive

A pill taken by mouth to prevent pregnancy, containing hormones that inhibit ovulation, fertilization, or implantation.

Hormonal Cycles

The natural fluctuation of hormones within the body, affecting various biological systems and processes, such as the menstrual cycle.

Ovarian Cancer

A type of cancer that originates in the ovaries, characterized by the uncontrolled growth of cells in the ovary.