The greatest number of mammals are:
A. eutherians
B. prototherians
C. metatherians
D. monotremes
A. eutherians
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An individual with trisomy 21 has __________ of chromosome 21
a. no copies b. only one copy c. two copies of d. three copies
Since the 1970s, some of Broadway’s greatest successes have come from revivals and abroad because:
a. Americans like anything foreign or what they have seen before b. Americans wrote for film and television instead of theatre c. revivals and foreign plays are better than new American plays d. foreign plays and revivals, already tested, are proven e. revivals and foreign musicals were spectacular
Which of the following is an example of how industrial production of farming has led to a decline in the number of varieties of crops?
a. The availability of meat resources has decreased over time. b. By the 1990s, only six varieties of corn accounted for 46 percent of the crop. c. The variety of soy products has decreased over time. d. The availability of resources to grow more varieties of crops has decreased over time.
Assigning fossil remains to a particular primate species
a. is an uncomplicated process b. requires splitting samples into as many species as possible c. requires making comparisons to well-known living species of primates d. can be accomplished only if the species is sexually dimorphic e. requires not making comparisons to well-known living species of primates