BI 173 - First Exam - 2003
MULTIPLE CHOICE.
Place the letter of the choice that
best answers the question on the line to the left. Two Points Each.
NOTE: "e"
answers are never the correct answer.
_______ 1. One of the muscle subtypes is found only in
a.
Arteries
b.
Insects
c. Bats and birds
d.
Vertebrates
e. Arnold Schwarzenegger
_______ 2. Which concept is most closely linked to Charles Lyell?
a. Population
control
b. Punctuated evolution
c. Artificial
selection
d. Gradual Evolution
e. The joke about making a small fortune in the wine business
(Punchline: Invest a large fortune)
_______ 3. Cladistics represents an approach to
a.
Evolution
b.
Genetics
c. Histology
d. Organic
chemistry
e. Terminal confusion
_______ 4. Which type of microscope would most often require sectioned specimens?
a.
Scanning
b.
Electron
c. Light
d.
Transmission
e. The microscopiest
_______5. Mitochondrial DNA is useful to evolutionary biology mostly because
a. It is only inherited along maternal lines
b. It does not recombine each generation
c. It has no active genes
d. It can be extracted better from fossils
e. It sounds more technical than the other choices
_______6. The adaptive value of an allele is determined by
a.
Dominance
b.
Statistics
c. Its frequency
d.
Circumstances
e. The Internal Revenue Service
_______7. Sexual selection has to exist in a balance between
a. Male and female
b. Available mates and available time
c. Survival success and reproductive success
d. Multiple genes and environmental interactions
e. What you want and what you can get
_______8. In some flatworms, flame cells
are part of excretion - where they exist,
waste materials are moved from the tissues to the
more
concentrated fluid of excretory tubes. This process is
a.
Diffusion
b. Active Transport
c.
Osmosis
d. Passive Transport
e. Just one example of the disgusting stuff we have to learn
_______9. Niche isolation is a necessary step in the process of
a. Sexual
selection
b. The bottleneck effect
c. Natural
selection
d. Adaptive radiation
e. Actually being able to scratch it
_______10. Real success, according to
the Theory of Evolution by Natural Selection,
is most closely tied to
a. Acquired
characteristics
b.
Survival
c. Reproduction
d. Mutation
e. Stock portfolios
_______11. Which is true for dominant alleles?
a. Their effects are totally based on the DNA
b. Their effects are totally based on the proteins
c. They are more likely to be passed on
d. All of these are true
e. They hang out in leather bars
_______12. Which should be hardest to properly control?
a.
Observations
b. Field
studies
c. Lab experiments
d.
Hypotheses
e. Drunken nerds in lab coats
_______13. Darwin found that the
similarities in species between mainland and islands
were related to
a. Climate
only
b. Proximity only
c.
History
d. Proximity and
climate
e. How seasick (or drunk) he was when he was drawing their
pictures
_______14. Neo-darwinism sees natural selection as bringing about
a. Shifts in allele
frequencies
b. Increased extinctions
c. More and better
adaptations
d. New and different species
e. More stuff I haven’t quite learned yet
_______15. The major evolutionary disadvantage to sexual reproduction is
a. Not enough variation
b. The need to always find a mate
c. Successful forms cannot be
copied d. All of the above
e. This is tough - there’s just so little written about it...
_______16. Which molecule type is most functionally dependent upon three-dimensional shape?
a.
Protein
b. Nucleic
Acid
c. Lipid
d.
Carbohydrate
e. The ones you have to look at with special glasses
_______17. Which function is commonly associated with epithelial tissue?
a. Fat
storage
b. Exerting a pulling force
c. Internal skeletal
support
d. Secretion
e. Does it come in a box or on a roll? ...Never mind...
_______18. A nucleolus should be full of
a.
Sugars
b.
RNA
c. DNA
d.
Membranes
e. Something nasty
SHORT ANSWER.
Pick TEN Questions to answer in the spaces
provided.
NOTE: if you answer MORE than ten, only the first ten
will be corrected.
Four Points each. Partial credit is possible.
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1. Briefly define either type of genetic redundancy.
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2. What are two different, specific ways that materials can get across a cell membrane? (Not looking for why they move, but rather how they get through) |
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3. Briefly describe two distinctly different ways that gender is determined in animals. |
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4. Define syncytium.
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5. What are two different ways that a population can, over time, respond to a change in environment? |
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6. What critical feature does a hypothesis require in the Scientific Method?
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7. In what circumstances do animals evolve a resistance to change?
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8. Briefly explain what it would mean if features from two animal species are analogous but not homologous.
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9. Translate into modern English: "Ontogeny recapitulates phylogeny."
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10. Why are there so many gaps in the fossil record?
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11. Briefly explain an approach to comparative biochemistry that does not involve molecular sequences.
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12. Give two entirely different types of facts about the pH scale. |
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13. Briefly explain why the role of chance has to be an important consideration in evolutionary biology.
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14. For an electron microscope (in comparison to a light microscope), give one each - |
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Advantage
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Disadvantage
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15. For a low chromosome number, give one each - |
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Advantage
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Disadvantage
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16. Mendel’s Law of Independent Assortment later had to have an exception inserted into it. What is the exception?
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LONG ANSWER.
Select and answer completely any four
of the following questions.
NOTE: if you answer more than four, only the first four will be
corrected.
Six Points Each. Partial credit is possible.
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1. Describe (don’t just use a term) the two ideas about evolution that are generally linked to Lamarck. |
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2. Name and give the basic function of three different cytoplasmic (non-nuclear and non-external) eukaryote cell organelles. |
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3. What are three matched pairs of differences between |
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FLAGELLA |
CILIA |
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4. Number the following steps in the order that the current Heterotroph Hypothesis puts them: |
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5. Name, in order of increasing complexity, the organizational levels found in most multicellular animals. |
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1 |
4 |
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5 |
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6 |
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6. What are six distinct features / functions associated in general with things that are alive? These would apply to more than just animals. |
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7. For three requirements of the Hardy-Weinberg Law, name the requirement and describe an evolutionary process that depends upon breaking that requirement. |
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BONUS QUESTIONS.
Answer as many or as few as you wish. You can't lose points on the rest of the exam by getting these wrong. Partial credit is possible.
Carbohydrates serve a critical function in plants that they rarely do in animals. What is it? Three Points.
What remnant in the fossil record shows when photosynthesis really "took over"? Three Points.
Which human tissue is a syncytium? Three Points. Three Points for another example.
Why did Mendel work on pea plants? Three Points.
Uniformitarianism was an idea that disagreed with what popular ideas of its time? Three Points Each.
Give up to two reasons, for Three Points Each, why Darwin and not Wallace has gotten almost all of the credit for their idea.
Other than evolutionary biology, what discipline is Wallace considered the father of ? Three Points.
What non-biological discipline did Hardy and Weinberg work in? Three Points.