SCI 135 - First Exam Spring 2014

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.   The null hypothesis

_______                    a.  Requires no variable

                                 b.  Requires a separate test

                                 c.  Would not be associated with observations

                                 d.  Is always a possibility

                                 e.  Is really a very dull hypothesis


     2.    What part of Redi’s maggot experiment has become almost a

                                                universal detail of modern science?

a.  Use of living material                          b.  Using containers

_______                c.  Having a comparison test                     d.  Having a laboratory

                                                      e.  Being pretty nerdy


                        3.   Neutrons function to

_______                    a.  Produce chemical reactions                  b.  Balance charges

                                c.  Stabilize the nucleus                             d.  Link species

                                    e.  Add one more confusing concept to the course


                        4.   Fossilized remains were usually first buried, long ago, in

_______                    a.   Watery sediments                      b.  Desert sand

                                 c.   Tree sap                                   d.  Volcanic ash

                                 e.   Overdue cell phone bills – dinosaurs loved to text!


                        5.   In ecosystems, what process is a first-level Energy transformation?

_______                    a.  Digestion                                      b.  Absorption

                                 c.  Respiration                                   d.  Photosynthesis

                                        e.  Is first-level the bottom step or the top step?


      6.   In an experiment, the idea of blind refers to

_______                    a.  Participants’ groups being hidden from people

     b.  Not revealing the purpose of the testing

                                 c.  Experimenters not seeing the results

     d.  Trying it to see what will happen

     e.  Using some of the “special” chemicals they cooked up



                        7.    Which is an indirect observation?

_______                    a.  Seeing a fish jump when the water is struck

                                 b.  Picking up bat sonar calls on a special sound detector

                                 c.  Hearing an owl somewhere in the tree

                                 d.  While driving at night, smelling a skunk

                                 e.   Observing while spinning around and vomiting



                       8.    Evolution is generally driven by

_______                    a.   Needed changes                         b.  Immediate responses

                                c.   Genetic changes                         d.  Changes in conditions

                                                    e.   Old Ford Trucks



     9.   The similarity in shape between submarines and whales is called

_______                    a.  Analogy                b.  Taxonomy               c.  Homology

                                d.  Supergrouping                 e.  Embarrassing




                        10.  Molecular clocks use what to count time?

_______                    a.  DNA mutations                            b.  Electron vibrations

                                 c.  Species units                                d.  Radiation

                                                            e.  Burps per minute




     11.  In an experiment, what term goes with the thing actually being tested?

_______                    a.  Control                 b.  Specimen              c.  Variable

                                 d.  Result                                e.  Test thingy




                        12.  A good hypothesis

_______                    a.  Is logically convincing to everybody

                                    b.  Should be testable

                                    c.  Has to have good results to support it

                                    d.  Has to generate other hypotheses

                                    e.  Is a very fashionable accessory




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.   Two features from the “found in Life” list that viruses do not have -


2.   What happens in any cellular system during respiration?





3.   Give one example (if it was true) of how spontaneous generation is supposed to work.





4a.  What is scientific peer review?




4b.  At what stage of the process is peer review commonly done?



5.   Two different reasons why, in science, quantitative data is preferred over qualitative data.


6.   Briefly explain what works as the newest generally-accepted method of determining that a group counts as a separate species.




7,   What, technically, is a gene?




8. 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
9.   Put these in order so that each later level contains the earlier ones:  Organs, Cells, Tissues.


10.  Explain the meaning of “ontogeny recapitulates phylogeny.”





11.  Give two different reasons why an experiment must be done as a field study.

12.  As they pass up through a food chain, what eventually happens to most of the -







13.  In disagreements about classification, what are scientists -






    TO DO?

14.  If a species (single-celled or otherwise) is colonial, what does that mean?





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.   Give the following for asexual reproduction -





compared to sexual



compared to sexual

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


3.   For four of the six basic Kingdoms of Life, give the name of the Kingdom and enough features to clearly set that Kingdom's members apart from those of the other five.




4.   Give four general types (not specific examples!) of confounding factors.


HINT:  If you can think of examples, figure out what type or category of confounding factor it fits into.
5.   Put these in order so that each later level contains the earlier ones:  Community, Ecosystems, Individuals, Populations.
6.    Give two different rules that apply to each in binomial nomenclature:









7.   All for the most common isotope –




# 4

Column 2

How many


How many



ion form?

How many

electrons? (Radical form)



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 most asexual reproducers very small?  Three Points.



Why did people think that Redi’s meat couldn’t be in a sealed container?  Three Points.



What sort of “experiments” were in the book’s linked soup commercials?  Three Points.



What is anecdotal evidence?  Three Points.



Brain tissue from Alzheimer’s patients were found to have aluminum in them.  How did it get there?  Three Points.



Old expression:  “There are lies, there are damned lies, and then there are ____________.”  What’s the missing word?  Three Points.



Why did Karl call himself “Carolus”?  Three Points.



The “original” 3 Kingdoms were animals, plants, and what?  Three Points.



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



For the Anewer@ version of the classification system, what level has been added (Three Points), and where does it go?  (Three Points)



What is classified like a Kingdom but is not considered a Kingdom?  Three Points



Why does becoming an ion often make an atom more stable?  Three Points.







SCI 135 

Michael McDarby


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