There are currently how many speakers of the Eyak language?
a. zero
b. six
c. twenty-seven
d. one
a
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In order for evolution by natural selection to occur, __________
a. the trait in question must be inherited b. the trait in question must be similar between individuals c. there must be no environmental pressures d. the trait in question must make the individual stronger
Human ABO blood types are determined by:
a. regulatory genes. b. multiple alleles. c. multiple genes. d. homeotic genes.
The Meadowcroft Rockshelter in Pennsylvania shows signs of human presence and:
A. appears to be older than the Folsom and Clovis sites B. if correctly dated, indicates that people were in the New World sometime before 16,000 B.P. C. if correctly dated, indicates that people were in the New World sometime before 115,000 B.P. D. appears to be older than the Folsom and Clovis sites and if correctly dated, indicates that people were in the New World sometime before 16,000 B.P. E. appears to be older than the Folsom and Clovis sites and if correctly dated, indicates that people were in the New World sometime before 115,000 B.P.
The earliest hominins, which are classified as Homo erectus, date as far back as about:
A. 3.8 million years B.P. B. 2.4 million years B.P. D. 800,000 years B.P.