SC 135 - First Exam Fall 2011


Links connect to relevant parts of the online book.




On the line to the left, place the letter of the choice that best  answers the question.

Three Points Each.                              NOTE:  "e" answers are never the correct answer.


1.   Your experimental results should not be called proof because

_______                    a.  You haven't convinced enough peers

    b.  You haven't repeated the experiment enough times

    c.  Your hypothesis isn't clear enough

    d.  There might be another explanation for the results

    e.  If you do the Science Police will tase you



2.   Evolution is driven powerfully by

_______                    a.  Changing conditions                               b.  Needed changes

    c.  Future improvements                             d.  Past progress

e.  Giant doodly fingers



3.   An experimental variable is called that because it changes

_______                    a.  As the experiment goes along

    b.  Between the hypothesis and the test

    c.  Between the experimental test and the control test

             d.  After you collect results and process them

    e.  Your life forever - no, wait, that's true love...



4.   The ticks of a molecular clock are

_______                    a.  Cell generations                                      b.  Atomic vibrations

    c.  Releases of radiation                              d.  Point mutations

e.  Clocks can get ticks?



5.   Respiration is always a process that involves

_______                    a.  Chemical energy                                     b.  Breathing

    c.  Oxygen                                                     d.  Reproduction

e.  Something doing something with something



6.   Deciding if a group is a separate species is based upon

    a.  Reproductive success using a member from each group

    b.  Reproductive behavior in a natural setting

_______                    c.  Reproductive success of offspring from a group cross

             d.  Unique physical descriptions

    e.  Isn't that a Facebook status?



7.    Organisms which are not closely related but which look or behave

in a very similar way probably went through

_______                    a.  Combined homologies                           b.  Convergent evolution

    c.  Shared mutations                                    d.  Divergent evolution

e.  The same summer camps



8.   If the null hypothesis is true,

_______                    a.  The hypothesis can't be tested

    b.  There won't be a variable

    c.  Results can't be collected

    d.  The original hypothesis is wrong

    e.  Then everyone goes home



9.   You can't run a test of a hypothesis if the hypothesis isn't

_______                    a.  Right                                  b.  Logical                             c.  Predictive

    d.  Widely accepted                      e.  Backed with lots of cash



10.  Living things have _____-based chemistry and _____-based coding.

_______                    a.  Sugar...Protein                                         b.  DNA...sugar

                                 c.  Protein...DNA                                          d.  Protein...sugar

e.  Cheese...salsa



11.  ______ are used to build _____, which are used to build ______.

_______                    a.  Tissues...cells...organs                b.  Cells...tissues...organs

    c.  Organs...tissues...cells                d.  Cells...organs...tissues

e.  Insults...hurt feelings...nasty blogs.



                    12.  In the most common form of peer review, the peer is

_______                    a.  Reading a paper submitted to a journal

    b.  Is working in a neighboring laboratory

    c.  Is visiting from another laboratory

    d.  On the committee that comes up with ideas

    e.  Probably going to point and laugh




Answer any eight of the following questions for 4 Points Each.

Note:  if you answer more than eight, only the first eight  will be corrected.
You can get partial credit on these answers.

1.   Give one reason why an experiment might have to be done as a field test.



2.   What are two abilities all living things are supposed to have, but viruses don't?



3.   Briefly explain what postmodernism is, applied to science.



4.   In a typical food chain, what ultimately happens to most of the -




5.   Briefly explain how sexual reproduction produces an evolutionary advantage.



6.   The two basic types of indirect observations -



7.   What was the basic idea of ontogeny recapitulates phylogeny?



8.   How are the individuals in a colony different from regular individuals?


9.  Put the following groups in order from the largest to the smallest:  Class, Family, Genus, Kingdom, Order, Phylum, Species, Suborder, Superfamily.
1 4 7
2 5 8
3 6 9
10.  The two most common groups of experimental models -


11.  The vast majority of fossils start out as dead animals in what particular part of the environment?


12.  What are the two levels of a double-blind test?


13.  For quantitative data -


  is it?

Why is



14.  For Redi's spontaneous generation test, either describe or show with a labeled drawing -








Answer any four of the following questions for Eight Points Each.

Note:  if you answer more than four, only the first four will be corrected.
You can get partial credit on these answers.


1.   Two different processes that take some energy from the environment and make chemical bond energy in fuel molecules - Type of environmental energy used by each named process -




2.  What are four basic features that all living things are supposed to have?




3.  What are three different things that can be compared based on homologies and used to determine biological relatedness?


4.    Give the following for asexual reproduction -





compared to sexual



compared to sexual

5.   What are three different types of confounding factors that might appear in an experiment?  Give a brief description, not just a term.




6.   Put these in order so that each later level contains the earlier ones:  Community, Ecosystems, Individuals, Populations.


7.   Give two different rules that apply to each in binomial nomenclature











Link to Answer Key


Answer as many as you are able.  Wrong answers will not result in points being lost from the main exam.   You can get partial credit on these answers.


What sort of ecosystems were discovered at deep-sea hydrothermal vents?  Three Points.




What is the biosphere?  Three Points.




In different experiments, how is metabolism defined differently?  Three Points.




Most prokaryotes can also be called what other common term?   Three Points.




Why are most asexual reproducers very small?  Three Points.




What is the extra blind in a triple-blind test?  Three Points.




Why, exactly, are mice used in a lot of research?  Three Points.




What species name abbreviation is widely known?  Three Points.




What will the next way of determining if a group is a species probably be?  Three Points.



SC 135 

Michael McDarby





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