A demonstration of the second law of thermodynamics is
A. the amount of energy coming from the sun.
B. that carnivores require more energy than herbivores.
C. that there is more producer biomass than herbivore biomass in an ecosystem.
D. the high proportion of protein in the diets of Americans.
C. that there is more producer biomass than herbivore biomass in an ecosystem.
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What is the purpose of an enzyme? Select all the correct choices
A. to increase the rate of a specific reaction B. to decrease the transition state C. to alter the equilibrium of a specific reaction D. to both increase the rate of a specific reaction and decrease the transition state
The branch of biology that classifies organisms is called ____
a. natural history b. taxonomy c. evolution d. morphology e. paleobiology
Which of the following is associated with the axial skeleton?
a. humerus b. sacrum c. hyoid bone d. femur
A range of values such that there is a specified probability that they contain a population parameter is known as a(n):
A. confidence interval. B. random sample. C. unbiased estimator. D. sample mean.