Where does germination of a pollen grain occur in a flowering plant?
a. in the anther.
b. in the micropyle.
c. on the surface of the corolla.
d. on the stigma.
d
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Which of the following occurs during systole?
A. Both ventricles contract. B. Both atria contract. C. The left ventricle contracts. D. The ventricles fill with blood. E. The atria fill with blood.
Four of the five answers listed below are functions of the skeleton. Select the exception
a. controls body temperature b. site of blood cell production c. protection d. mineral storage e. muscle attachment
Which of the following covers and protects plant surfaces?
a. ground tissue b. vascular tissue c. dermal tissue d. meristem
Cork
A. helps transport nutrients and fluid. B. Both represent the major dermal tissue in bark and serves a protective function. C. Both represent the major dermal tissue in bark and helps transport nutrients and fluid. D. represents the major dermal tissue in bark. E. serves a protective function.