The thin envelope of life that surrounds the earth's surface is called the ________.
A. atmosphere
B. hydrosphere
C. biosphere
D. ecosystem
E. lithosphere
Answer: C
You might also like to view...
The group of seed plants that has the most
species is the
a. bryophytes. b. ferns. c. gymnosperms. d. monocots. e. eudicots
Global movements and circulation of air and ocean currents not only influence global climate, but also ____
a. aid in bird migration b. circulate pollutants c. decrease global warming d. decrease arctic sea levels e. dilute nuclear waste
All of the following are true of the second law of thermodynamics EXCEPT:
(A) the amount of useful energy decreases. (B) spontaneous changes result in a more uniform distribution of energy. (C) all chemical reactions release more energy than they consume. (D) there is a natural tendency toward greater disorder of the organization of matter. (E) NONE of the above
When determining whether a relative is a proper match for organ or tissue donation, three sets of HLA alleles -
inherited together - must match those from the intended recipient. These allele sets are known as _____. a. open reading frames b. splice sites c. copy number variants d. haplotypes e. disease-associated mutations