A line transect would probably be the preferred method to quantify the population density of ______.
A. birds
B. lions
C. fishes
D. trees
E. butterflies
D. trees
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Which one of the following is a major difference between plants and animals?
A. Animals use sophisticated genetic programs to govern their development and day-to-day functions. Plants do not. B. Plant cells have evolved modifications of the plasma membrane that permit the transfer of information and molecules from one cell to another. Animal cells have not. C. Plants have a meshwork of extracellular molecules that provide structural support and that determine the shape of the cells. Animals do not. D. Animal cells are able to absorb large molecules across their plasma membrane. Plant cells are not.
Devices that set up multiple exchange rates between the currencies of two nations are known as
a. tariff quotas. b. export subsidies. c. exchange controls. d. variable currencies.
Which type of muscle makes up the majority of the body’s muscle tissue?
a. smooth b. cardiac c. involuntary d. skeletal e. neural
Suppose you have a random sample of 2,179 credit scores from a population of mortgage applicants with a sample mean of 620 and sample standard deviation of 70, and would like to determine if this is sufficient enough to rule out that the population mean is not 610. Which of the following objects would you calculate to make this decision?
A. Consistent estimator B. T-stat C. Sample range D. Normal distribution