While walking along a streambed, you encounter a reedy seedless plant. Upon closer inspection, you determine that the stems contain large amounts of silica and have tiny scale-like leaves. This plant is most likely a
A) moss. B) fern. C) cycad. D) horsetail. E) liverwort.
D
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Which of the following statements does not describe a function of the lateral meristem?
A. Lateral meristems produce new cells. B. Lateral meristems allow plants to grow in diameter. C. New cells produced by lateral meristems grow in diameter and length. D. Lateral meristems produce the substance we commonly call wood. E. Lateral meristems are responsible for secondary growth.
Which of the following CANNOT undergo microevolution?
A. a poison ivy vine growing up a tree B. the cactus finches of the Galápagos Islands C. the Venus Flytraps in Green Swamp in southeastern North Carolina D. the corals in a reef off the east coast of Australia E. the fire ants endemic to South America
Select one of the options below and compare and contrast the paired terms:A
primary and secondary immune response B. passive and active immunity C. artificial and natural immunity What will be an ideal response?
Which of the following statements about Neisseria gonorrhoeae is FALSE?
A. It causes disease in humans only. B. The gonococci stick to epithelial cells via fimbriae and capsules. C. The gonococci secrete a protease that destroys secretory IgA. D. The gonococci induce lasting immunity. E. Infected women are often asymptomatic.