Use the following dataset to answer the following question.FirmYear# of EmployeesSalesProfitsJim's Auto201423$741,000$52,000Mechanic Zone201415$510,000-$72,000Jim's Auto201531$1,081,050$101,000Mechanic Zone201527$811,000$28,000What is the unit of observation?
A. Firm
B. Firm-Year
C. Year
D. Year-Profits
Answer: B
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What will be an ideal response?
During swallowing, ____ closes off the ____ so food cannot enter the lower airway
a. the pleural membrane; trachea b. cartilage; larynx c. the pharynx; esophagus d. the Adam's apple; trachea e. the epiglottis; larynx
________ is ultimately determined by environmental exposures but is set by the basic genotype.
Fill in the blank(s) with the appropriate word(s).
Why do mammals adapted to dry climates tend to have considerably more long-looped nephrons than those adapted to wet climates?
A) So that their blood pressure does not drop to dangerously low levels during periods of drought B) So that a lower concentration of salt can be produced in the interstitial fluid of the kidney medulla, causing less water to be reabsorbed into the capillaries C) So that the wastes can be excreted as uric acid instead of urine D) So that the excess urea they produce as a result of dehydration can be properly filtered by the nephrons and excreted E) So that a higher concentration of salt can be produced in the interstitial fluid of the kidney medulla, causing more water to be reabsorbed into the capillaries