Which of the following is (are) characteristic of
arteries?
a. rapid transport vessels
b. large diameter
c. pressure reservoirs
d. low resistance vessels
e. all of these
Answer: e
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Light consists of units of energy called
A. electrons. B. photons. C. calories. D. neutrons. E. pigments.
Complex multicellularity in plants and animals evolved independently. Which of the following features would you expect to be different between plants and animals because of their independent evolution of complex multicellularity?
A. The mechanism by which plants and animals obtain energy would be expected to be different because of the different origin of multicellularity. B. Cell-cell adhesion molecules would be different in animals and plants. C. Plants would have cell walls, but animal cells would not. D. A significant difference in size between the two groups of multicellular organisms would be expected.
. Stratification refers to the extended exposure to ________________ that is required for some seeds to germinate.
A. long wavelengths of light B. low temperatures C. high relative humidity D. short daylengths E. clay soil particles
Critical thinking means
a. challenging all concepts. b. evaluating information before accepting it. c. disagreeing with proposed ideas. d. making quick decisions. e. all of these.