Which of the following is not true with regard to the First Law of Thermodynamics?
A. Energy can never be created or destroyed.
B. The energy of a system is conserved.
C. The first law cannot predict whether a process is spontaneous.
D. There can be transfer of energy in either direction of a process as long as the total energy of the system remains unchanged.
E. All spontaneous processes take place with an increase in disorder.
E
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Which of the following correctly reflects the division of the history of life on Earth, from most inclusive to least inclusive?
A. epoch - period - era B. epoch - era - period C. era - epoch - period D. period - epoch - era E. era - period - epoch
Which type of virus is most likely to cause the immediate damage and destruction of an infected animal cell when it is released?
A. enveloped virus B. DNA virus C. RNA virus D. nonenveloped virus
Which statements about acid precipitation are accurate? (Check all that apply.)A) Acid rain is intermediate between point-source and diffuse pollution.B) Mercury is a pollutant that often accompanies acid precipitation.C) Acid precipitation is a severe problem in areas with soils having high buffering capacity.D) Acid precipitation can affect aquatic ecosystems.E) Acid precipitation can affect forests, weakening the trees and making them more susceptible to disease.
What will be an ideal response?
When are hybrid zones expected to disappear and complete the speciation process?
a. when hybrids have a selective disadvantage b. when hybrids have a selective advantage and will replace parents c. when hybrids are found in ring species d. when hybrids mate assortatively