Normal kidney function involves which of the following?
A) filtration in which small molecules are lost but large molecules are retained
B) reabsorption of some small molecules from the urine
C) both a and b
D) neither a nor b
C
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Features that serve the same purpose on very dissimilar organisms are called ____
A)heterologous B)exogenous C)homologous D)analogous E)vestigial
Over the past two decades, coastal wetland loss in the regions of the Great Lakes, Atlantic Ocean, and the Gulf of Mexico has resulted in approximately what percentage being lost?
A. 10 percent B. 30 percent C. 20 percent D. 15 percent E. 5 percent
Contrary to popular belief, the Endangered Species Act allows ________
A) landowners to harm a protected species in one area if they improve habitat for it elsewhere B) landowners to kill endangered species for food if necessary C) endangered species to be hunted as long as records are kept of numbers and sex of individuals taken D) habitats of protected species to be developed or logged as long as no individuals of the species are killed E) international trade in protected species to aid in times of economic hardship
Which of the following would be most useful in investigating groundwater contamination?
A. records of how much material the company may have spilled B. a map showing contours of the water table and of contamination levels C. a geologic map D. records of health problems, like leukemia, of people living in the area