Photosynthesis is carried out by which of the following? a. all living organisms b. bacteria, but neither animals nor plants c. animals, but not plants d. plants, but not animals

Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore? a) a different type of sporopollenin b) an internal reservoir of liquid water c) integument(s) d) ability to be dispersed e) waxy cuticle

Abnormal softening of a gland is known as

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation