SC 135 - First Exam Fall 2010

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.  In living systems, respiration

_______     a. Always uses oxygen            b. Requires a breathing system            c. Moves energy from molecule to molecule
                 d. All of these                                                        e. Is nice

                2.  Which would contain all of the others?

_______     a. Ecosystem         b. Population         c. Individual        d. Community         e. Giant containy thing

                3.  What is "ticking" in a molecular clock?

_______     a. Attached sugars             b. Protein changes             c. Electrons             d. Point mutations
                                    e. Is that what I hear? I thought it was my brain cells dying.

                4.  Which once-accepted concept has been largely discredited, shown to be wrong?

_______     a. Viruses are bacteria             b. Ontogeny recapitulates phylogeny            c. Placebo effect
                 d. Triple-blind testing                                             e. Biology is fun

                5.  Which progression is right?

_______     a. Organs contain cells which contain tissues                        b. Tissues contain organs which contain cells
                  c. Organs contain tissues which contain cells                        d. Cells contain tissues which contain organs
                                                                                e. dizzy...

                6.  In a colony of single-celled organisms,

_______     a. The cells all look and act the same                            b. At least 2 different species are always present
                  c. It becomes one huge cell                                          d. Cells specialize on different jobs
                                        e. They often declare independence and carry tiny new flags

                7.  Which actually starts as quantitative data?

_______     a. How many flies have crooked wings?            b. How bad is the headache?            c. How fast is the stream flowing?
                 d. How hairy are the mice?                                                           e. How crazy is this driving me?

                8.  Which basically says, "Your idea is wrong"?

_______     a. Non-predictive         b. False result         c. Null hypothesis        d. Negative analogy         e. Annoying voices in your head

                9.  The current way to determine species is based on -

_______     a. Behavior in nature                 b. Ability to make offspring                 c. Description                 d. If offspring can make offspring
                                                                                    e. Poking it with a sharp stick

                10. Organisms with similar analogy but different homology follow

_______     a. Analytic classification         b. Systematic classification        c. Divergent evolution         d. Convergent evolution
                                                        e. The Twitter accounts of their favorite singers

                11. What is a common way to keep chance from having a major effect on experimental results?

_______     a. Using trusted statistics on results             b. Using many specimens            c. Peer review             d. Using models
                                                                                        e. When in doubt, flip a coin

                12. In which example is ethics acting as a confounding factor?

_______     a. Making mice sick rather than people                                            b. Not using medical results from Nazi concentration camp experiments
                 c. Avoiding a type of statistical approach that some might misuse       d. You're not allowed to name species after yourself
                                                    e. Punching the other scientists may be fun, but it's frowned upon


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.  Where does a newly-dead animal need to quickly wind up to have the best chance of eventually becoming a fossil?


2.  In any food chain, what eventually happens to the -
3.  Put the following groups in order from the largest to the smallest: Class, Family, Genus, Kingdom, Order, Phylum, Species, Subclass, Superorder.
1 4 7
2 5 8
3 6 9
4.  For Francesco Redi's meat experiment -
The variable -

The control -


5.  It's considered wrong in science to say something has been proved. Why?


6.  What exactly is DNA doing that affects the chemistry of a cell?


7.  What are the two most common (different) forms of experimental models?


8.  Two different ways to make indirect observations, in general:


9.  What exactly is the placebo effect?


10.  In an experiment, what is an artifact?


11. When is it necessary to do a field test?


12.  The embryos of distantly-related organisms hold more similarities than the adults. Give one reason why this happens.


13. What is meant by the metabolism of a system?


14. Put these in the proper ecosystem order: Consumers, Decomposers, Producers.





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 two different rules that apply to each in binomial nomenclature.




2.  Give the following for sexual reproduction -
compared to asexual
compared to asexual

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




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


5.  For viruses -
2 Features they have that are also found in all living things - 2 Features all living things should have that viruses do NOT have -




6.  Name four of the Six "Basic" Kingdoms, and for each list enough traits to make it clearly different from the other five.








7.  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 -




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.

For 2 Points Each, list the ways that a robot-building robot fits the features that make something "alive."

What sorts of basic jobs do animal tissues do? Two Points each, but there are only 5 animal tissue types.

In biological systems, what is ATP? Three Points.

In the past, when evolution has happened quickly, what was happening in the environment? Three Points.

What was "wrong" with Redi's first meat experiment? Three Points.

In general (not just in science), what was the concept of postmodernism about? Three Points.

What's the "extra" level in a triple-blind test? Three Points.

Linnaeus came up with terms for what non-classification-related organisms? Three Points

What original Kingdom soon was excluded? Three Points.

Which basic Kingdom was "promoted" last? Three Points.





Michael McDarby.

SCI 135

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