The ________ law of thermodynamics states that when energy is transferred or transformed, part of the energy assumes a form that cannot pass on any further
Fill in the blank(s) with correct word
second
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Tissues of sharks are isotonic to seawater, but their concentrations of sodium ions, potassium ions, and chloride ions in cells and extracellular fluids are similar to those of freshwater fishes. What can you infer about the movement of sodium and chlorid
A) To maintain homeostasis of sodium and chloride levels, the shark must take up additional sodium and chloride from seawater. B) Sodium and chloride will diffuse into shark gills from seawater down their concentration gradient. C) Sharks conserve sodium and chloride, limiting excretion. D) Sodium and chloride must be eliminated through the gills.
Which of the following is not one of the major plant hormones?
A. auxin B. ethylene C. calcitonin D. gibberellic acid E. abscisic acid
When Seymour and colleagues measured the temperature of Philodendron flowers, what hypothesis were they testing?
A. Does generating heat decrease the metabolism of Philodendron? B. Does heat increase the rate of photosynthesis by Philodendron? C. Is heat being used by Philodendron to attract pollinators? D. Does generating heat increase the metabolism of Philodendron? E. Is heat being used by Philodendron increase the rate of pollen production?
Because of their great elasticity, which of the following can function as blood volume reservoirs
during times of low metabolic output? a. veins and venules b. arteries c. arterioles d. capillaries e. metarterioles