Which of the following statements is true regarding the movement of water through the xylem of vascular plants? Select all correct choices
A. It is not uni-directional (e.g., can be
transported both toward the leaves and
roots).
B. It depends on differences in turgor
pressure.
C. It may be the result of capillary action.
D. It travels through vessel elements.
C,D
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________ convey information within the nervous system
Fill in the blank(s) with the appropriate word(s)
Which of the following forms of communication do not rely on vision?
a. tactile b. pheromones c. mutualism d. both tactile and pheromones
Coal is predominantly composed of the remains of:
a. multicellular animals. b. phytoplankton. c. fungi. d. multicellular plants. e. gelatinous zooplankton.
Legionnaires disease emerged in 1976 due to
A. a mutation of the influenza virus. B. contamination of an air-conditioning system. C. the abuse of antibiotics. D. the consumption of horseshoe bats. E. exposure to wild monkeys.