SCI 135 - First Exam Spring 2019


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. Which term is applied generally to any group of energy-using chemical reactions?

__________  a. Metabolism         b. Sum total        c. Genes         d. Photosynthesis
                                    e. Anything’s fine as long as they don’t explode

        2. Doing experiments with large groups or many repetitions helps. Why?

__________  a. It better defines your terms                         b. It is necessary for a control group
                    c. It reduces the influence of chance                d. It produces quantitative results
                                            e. It keeps scientists from getting lonely

        3. In a well-done piece of research, the conclusions

__________  a. Should be obviously connected to the results            b. Must be widely accepted by others
                    c. Have to agree with the original hypothesis                d. Must follow a standard logic
                                        e. Are no fun unless they insult someone somewhere

        4. Two isotopes of the same element differ in

_______    a. Overall charge         b. Number of protons        c. Overall atomic weight/mass         d. All of these
                                                        e. How much they use social media

        5. According to the most current definition, a group is a species if the members

__________     a. Cannot breed outside the group
                       b. Cannot breed outside the group and produce offspring that are fertile
                       c. Share no ancestors outside the group
                       d. Don’t breed outside the group in nature
                       e. Are really snotty to any outside their group

        6. A double-blind study is designed to

__________     a. Remove the placebo effect                         b. Control for the placebo effect
                       c. Remove the doctor’s influence                    d. Better define the groups
                                        e. Keep the room very, very dark

        7. Decomposers

_______    a. Recycle materials only        b. Recycle materials and energy        c. Recycle energy only
                d. Get rid of things but don’t recycle                e. Is not a fun biological concept

        8. The main “push” for evolutionary change comes from

_______    a. Competition         b. Mutations         c. Cooperation        d. Conditions         e. Nagging

        9. An artifact is a

__________      a. Result of the actual process / design of experimenting
                        b. Part of the laboratory apparatus
                        c. Second- or third-hand observation
                        d. Characteristic of living cells.
                        e. Is a true thing that Arthur told you

        10. Many unrelated animal species with “wormy” shapes is an example of

_______    a. Classification overlap         b. Sexual selection        c. Convergent evolution
                d. Divergent evolution                    e. How nature can be disgusting

        11. The clock in a molecular clock “keeps time” using

_______    a. Radioactivity         b. Splits in family trees        c. Atomic vibrations
                d. Point mutations                    e. Something kind of small

        12. An experimental variable changes

_______    a. During the experiment                            b. Between the experimental test and the control test
                c. Only if the results make it change            d. So that all of your experimental tests are different
                                                e. Or it wouldn’t be called a variable


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. What are two distinctly different types of ways that observations can be made?


2. Put in order these levels of organization within individual organisms, small to large: cells, organs, organ systems, tissues.


3. What are two basic features of living things that viruses DO NOT have?


4.  Put the following groups in order from the largest to the smallest: Class, Family, Genus, Kingdom, Order, Phylum, Species, Suborder, Superclass.
1 4 7
2 5 8
3 6 9

5. What are the two main features that make a scientifically-useful hypothesis?


6. What features make a species colonial?

7. In a typical respiration systems, chemical energy moves

TO -

8. Explain what this means: ontogeny recapitulates phlogeny.

9. What produces the “splits” in family trees with cladistics?

10. Briefly explain why carbon dating doesn’t work on materials over 60,000 years old.

11. What are two different reasons why an experiment has to be done as a field test?


12. What is spontaneous generation?  Definition, not example.

13. When the results of an experiment contradict the hypothesis, what scientific term is applied?

14. What are the two main types of first-level energy transformations found in living things?


15. Why is wrong to say that your results proved your hypothesis was right?

16. Give two different advantages that quantitative data has over qualitative data.


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 specifically in binomial nomenclature:

2.  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.





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



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


5.    Give the following for sexual reproduction -





compared to asexual



compared to asexual


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


7. Pick two different types of experimental models and fill in the information.


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.

Geologists in submarines were the first to find ecosystems that run on chemosynthesis. They weren’t looking for that – what were they looking to study? Three Points.

In humans, what’s the measurement unit for metabolism? Three Points.

Why are there almost no effective treatments for viruses? Three Points for each of the two reasons.

What was Redi’s real hypothesis about maggots? Three Points.

Why do clocks in communication satellites run at a slightly different rate than the clocks in our phones? Three Points.

The concept of postmodernism got its start in what area of human production? Three Points.

The first Kingdoms were Animal, Plant, and what? Three Points.

What was developed by an orphan from Siberia? Three Points.

In science, what’s wrong with anecdotal evidence? Three Points.



SCI 135 

Michael McDarby


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