Biol 110 Final Study Guide Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed
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Course
Biol 110
Institution
Biol 110
Natural Selection is ________________
-:- the process by which a population becomes better adapted to its' environment
over time
The Evolution Canyons are comprised of two mountain slopes - the "African" slope and the
"European slope" (see the image). Which of the following statements is a r...
Radiometric carbon dating is a type of ________________ dating. During the radioactive
decay of C14, it decays into ______________.
✓ -:- absolute / N14
The Meadowcroft Rock Shelter near Avella, Pennsylvania is an early Native American
archeological site from which many artifacts have been recovered. An archaeologist uses
Carbon-14 dating to examine an elk bone found at that site. The half-life of C14 is 5730
years. She discovers that the bone dates to about 17,100 years before the present. The
bone now contains 2 mg of C14. Approximately how many milligrams did it contain when
the elk died?
✓ -:- 16 mg
Uranium-238 decays to Lead-206 with a half-life of 4.5 billion years. You are using this
radiometric clock to date a moon rock. The moon formed at approximately the same time
as the earth but because there is no plate tectonic activity, moon rocks can be found that
are the age of the earth. If this moon rock is the same age as the earth, you would expect to
see _____________ of the original amount of uranium remaining in this moon rock.
✓ -:- 50%
Which of the following populations is most likely to be represented in the fossil record?
4|Page | Grade A+| 2024/2025
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