FINAL EXAM DELGADO PRACTICE
QUESTIONS AND ANSWERS
The study of the distribution of animals and plants around the
world is
a. natural history.
b. ecology.
c. diversity.
d. biogeography.
e. environmentalism - Answer️️ -d. biogeography.
The tailbone of humans is an example of:
a. a devel...
DELGADO COMMUNITY COLLEGE
believed that giraffes have long necks because their short-necked
ancestors stretched their necks and passed this change on to their
offspring - Answer✔️✔️-Lamarck
wrote Principles of Geology - Answer✔️✔️-Lyell
wrote an essay relating population size to competition for limited
resources - Answer✔️✔️-Malthus
Which theory was helpful to Darwin in the formulation of his theory
of evolution?
a. inheritance of acquired characteristics
b. catastrophism
c. special creationism
d. continental drift
e. uniformitarianism - Answer✔️✔️-e. uniformitarianism
The feature of Darwin's finches that shows variation is
a. is unpredictable because changes in temperature and pressure
alter the results.
b. is used for dating only recent fossils.
c. is based on the premise that each isotope decays at a constant
rate.
d. can be used to date sedimentary rock.
e. has a large error factor. - Answer✔️✔️-c. is based on the premise
that each isotope decays at a constant rate.
The time it takes for half of a radioisotope's atoms to decay
a. cannot be calculated.
b. is the same for uranium 238 and carbon 14.
c. is used to construct the geologic time scale.
d. is its half-life.
e. is all of these. - Answer✔️✔️-d. is its half-life.
The geologic time scale is subdivided on the basis of
4
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