Which type of fish is likely to produce the smallest number of progeny from each mating?
A. An ovoviparous species
B. An oviparous species
C. A viviparous species
Answer: C
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The use of noncultivated fruit, animal skins, fiber, beeswax, and fish are examples of the ________ value of biodiversity.
A. contributions to the biogeochemical cycles B. consumptive use C. medicinal use D. agricultural use
In the reaction, 6CO2 + 6H2O ?C6H12O6 + 6O2, which side should energy be placed on?
A. the right side; this is an endergonic reaction. B. neither side; the reaction is in equilibrium. C. the right side; this is an exergonic reaction. D. the left side; this is an exergonic reaction. E. the left side; this is an endergonic reaction.
Which law of thermodynamics explains the fact that we must eat to gain the energy to perform the functions of life, such as breathing?
A) fifth law B) third law C) first law D) second law E) fourth law
Which of the following is the advantage that plants in arid habitats experience when they keep their stoma closed during hot daytime hours?
A. It brings minerals up the plant. B. It gives plants a needed rest. C. It prevents sugar transport to the guard cells. D. It helps to conserve water. E. It prevents loss of CO2.