SC 135 - First Exam 2013
Links in each number connect to the pertinent sections 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.       At one time, it was thought that some other races were different

                  species, so it was acceptable to enslave them. 

                  This is an example of

_______                    a.  Speciesism                                   b.   Postmodernism

                                 c.  Data manipulation                        d.   Uncontrolled testing

                                 e.  Well, if it was scientific – no, it couldn’t be okay…





                        2.   Because of how fossils are typically produced, which is most likely

                                                to have become a fossil?

_______                    a.  Prairie flower                               b.  Desert bird

                                 c.  Mountain dinosaur                       d.  Tidal zone clam

                                 e.  That depends – is there some union they have to join?





                        3.    When the typical form for a species involves individuals grouped

                                                together, doing different jobs, that species is considered

_______                    a.  Social                    b.   Colonial               c.  Multicelled

                                 d.  Familial                            e.  Kind of lazy





                        4.   Things that might affect an experiment, but it’s unclear how -

_______                    a.   Extendables                                b.  Influencing features

                                 c.   Unreproducible results                d.  Confounding factors

                                 e.   Wait, we can build screw-ups into the system-?




                        5.   Evolution rates will be higher / faster when

_______                    a.  Species decide to change

                                 b.  Environments are stable over long periods

                                 c.  There are better forms that could exist – they just change

                                 d.  There is a lot of change in the environment

                                 e.  The dial is turned up a few notches



                        6.   In biological systems, the process of respiration always

                                 a.   Consumes oxygen

                                 b.   Changes energy that just was free in the environment

_______                    c.   Moves energy from one chemical to another

                                 d.   All of the above

                                 e.   Is confusing 



                        7.   Current molecular clocks compare

_______                    a.  Types of molecules                     b.  Function of molecules

                                 c.  Point mutations                           d.  All of these

                                             e.  How fast I’m forgetting this stuff



                        8.    Field tests might be necessary because

_______                    a.  Conditions can’t be duplicated in a lab

                                 b.  Lab conditions would affect the results

                                 c.  It would be too expensive to do in a lab

                                 d.  All of the above

                                 e.  The debt collectors have a harder time finding you



                        9.   Peer review in modern science is most likely to happen

_______                    a.  While an experiment is being designed

                                 b.  When the paper based on the experiment is sent to be published

                                 c.   While the experiment is being conducted

                                 d.   After the results have been reported to the world

                                 e.   When you’re still wearing a stained lab coat



                        10.  Proteins are the basis of

_______                    a.  Living chemistry                         b.  Passage of information

                                 c.  Genetics                                    d.  Environmental energy

                                         e.  Those, you know, protein-based things



                        11.  Organisms that do photosynthesis would be

_______                    a.  Consumers                                          b.  Producers

                                 c.  Decomposers                                      d.  Originators

                                 e.  How come I know this, but the choice isn’t here?



                        12.  Redi’s first meat-&-maggot spontaneous generation experiment

                                                was criticized because

_______                    a.  Air could only get to one sample

                                 b.  He killed all of the flies

                                 c.  It wasn’t an actual test of the idea

                                 d.  The tests needed to be swapped around

                                 e.  He fed the critics maggoty meat





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.    In an ecosystem, what eventually happens to most of the -





2.   Briefly, in general, what are the products of – (NOT looking for examples)







3.   Give two different reasons why quantitative data is preferred over qualitative data.




4.   In an experiment, what is an artifact?




5.   Explain what the concept of ontogeny recapitulates phylogeny means.




6.   In a biological system, how is metabolism defined?




7.   What part of good experiment design will reduce the effects of chance on the results?




8.    What, technically, is a gene?




9.   What is the latest accepted way to decide if a group is a species?




10.  What are the two basic types of indirect observations?



11.  Reproducibility is an important part of experimentation.  But what does it mean?


12.  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

13.  What is placebo effect?




14.  What are two different types of  experimental models?


15.  What are two “life features” that viruses do not have?







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




2.    Give the following for sexual reproduction -





compared to asexual



compared to asexual




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





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







5.   Answer the following about classic Scientific Method:

Two features a good

hypothesis should have


Role served by the

experimental variable


Purpose of the control





6.   Give two different rules that apply specifically to each part in binomial nomenclature












7.   What are four features that science as a system should have (this is NOT looking for steps of the scientific method)?






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.


Why are organelles called “organelles”?  Three Points.



What is the role of ATP in cells?  Three Points.



Why is it wrong to say that the results of an experiment “proved the hypothesis”?  Three Points.



How does an experimental variable vary?  Three Points.



What is anecdotal evidence?  Three Points.



The classic “dog age” ratio is seven-to-one;  what’s the assumed “mouse age” ratio?  Three Points.




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



Averaging is a common form of statistics applied in experiments.  Why is it so useful?  Three Points.



What was originally the third Natural Kingdom, but was eventually separated out and no longer considered?  Three Points.



Why was science writing for a long time done in Latin?  Three Points.



Linnaeus did a lot of parts-naming for what sort of organisms?  Three Points.



Almost all of the species definitions ever used are useless for species that reproduce asexually.  Why?  Three Points.





SCI 135 

Michael McDarby


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