The rate at which evolution is occurring cannot be estimated by:
A. studying comparative anatomy.
B. inferring that apes are related to humans.
C. measuring the degree of difference in genetic coding.
D. interpretation of the fossil record.
B
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Xeroderma pigmentosum is caused by
a. a thymine dimer. b. a translocation. c. a deletion. d. an inversion. e. a duplication.
Scientific data:
a. must be collected in laboratories. b. cannot be collected in a completely unbiased way. c. are used to support or refute a hypothesis. d. are always true. e. All of the above are true.
An educated guess or a testable statement used to answer a question about observations is referred to as a(n) ________
Fill in the blank(s) with correct word
The taxonomy of viruses includes all the following hierarchies EXCEPTÂ
A. genus. B. class. C. specific epithet. D. family. E. order.