The water in a damaged root is seeping between cells and not moving into the vascular tissue. What part of the root has been damaged?
A. Root cap
B. Casparian strip
C. Pith
D. Root hairs
E. Primary vascular tissue
Answer: B
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Why might increased nutrient availability result in increased species diversity in aquatic systems while it results in decreases in terrestrial systems?
A) Aquatic systems have weaker competitive interactions. B) Aquatic systems have stronger competitive interactions. C) Nutrients are diluted too rapidly in aquatic systems. D) Nutrients are always abundant in terrestrial systems.
Most of the filtrate is reabsorbed through the walls of the:a
distal convoluted tubule. b. loop of Henle. c. proximal convoluted tubule. d. collecting duct. e. glomerulus.
The two main processes that return water to the atmosphere are evaporation and:
A) runoff. B) transpiration. C) aquifer containment. D) leaching.
Which of the following diseases is considered an emerging disease because it was unknown before 1987?
A. anaplasmosis B. Brill-Zinsser disease C. murine typhus D. Rocky Mountain spotted fever E. lymphogranuloma venereum