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BI 173 - Second Exam - 2008
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. Meiosis in a monoecious species would produce
a. Both sperm and egg cells
b. Either sperm or egg cells
c. Sometimes sperm only, sometimes egg cells only
d. Neither sperm nor egg cells
e. A little bit o' this and a little bit o' that.
_______ 2. Animals with tracheal systems also have
a. Several hearts
b. Open circulation systems
c. Pseudopod-based transport
d. Closed circulation systems
e. Poor self-esteem
_______ 3. Which is most likely to be an osmotic conformer?
a. River eel
b. Lake trout
c. Land iguana
d. Atlantic jellyfish
e. Something that likes how the osmotics look
_______ 4. The requirement of random mating in Hardy-Weinberg
equilibrium removes the influence of
a. Chance
b. Lethal genes
c. Sexual selection
d. Founder effect
e. Well, alcohol would enhance the effect...
_______5. Homeotic or HOX genes are associated with
a. Homeostasis
b. Basic layout
c. Reproduction
d. Metabolic chemistry
e. Well, one sounds like coughing up a hairball
_______6. Antennal glands would produce
a. Saliva
b. Hormones
c. Antibodies
d. Excretions
e. Cell phone secretions
_______7. Which of the following, in a midplane cut of a human head,
would go through the chin?
a. Sagittal / longitudinal
b. Cross / transverse
c. Frontal
d. They all would
e. Ewww!
_______8. The most common molecular clocks track differences in
a. Chromosome number
b. Protein sequence
c. Numbers of functional proteins
d. DNA sequence
e. How late you sleep and the marks you get
_______9. A respiratory surface must be
a. Exposed to air
b. Pre-saturated with oxygen
c. Wet
d. Pre-saturated with carbon dioxide
e. Breathy
_______10. Peristalsis is used in
a. Digestive systems
b. Respiratory systems
c. Circulatory systems
d. Excretory systems
e. That thing that Peri owns
_______11. If the common ancestor of the two major bat subgroups did not
have wings, then wings in the subgroups are considered to be
a. Adaptively radiated
b. Derived
c. Ancestral
d. Asymmetrical
e. Very neat features anyway
_______12. Inflammation is brought about mostly by
a. Antibodies
b. Antigens
c. Inflammatons
d. Histamines
e. Inflammatory insults
_______13. Which do not produce identical twins from split embryos?
a. Coelomicytes
b. Protostomes
c. Deuterostomes
d. Cladistics
e. Most union workers
_______14. Hemoglobin carries
a. Oxygen, carbon dioxide, and ammonia
b. Oxygen and carbon dioxide only
c. Oxygen only
d. Carbon dioxide only
e. Its own teeny credit cards
_______15. Convergent evolution is most likely to produce
a. Dissimilar features in species that are closely related
b. Similar features in species that are not closely related
c. Hybrids between closely-related species
d. Hybrids between distantly-related species
e. Choices that make your head explode
_______16. What makes a coenzyme a vitamin?
a. They contain minerals
b. They are also enzymes
c. Humans can't synthesize them
d. They contain other nutrients
e. Filling out the proper paperwork
_______17. Which is an allowable species name?
a. Barackia obama
b. Johnius Mccainius
c. mikei huckabei
d. hillaria Clintona
e. That reminds me, I need to register to vote.
_______18. Anti-backflow valves can be found in
a. Arteries
b. Capillaries
c. Veins
d. All blood vessels
e. Sewer pipes - I hope
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.
| 1. For bilateral symmetry - |
Other
associated
process - |
Why are
the two
associated? |
| 2. For endothermy, compared
to ectotherms - |
An
advantage?
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A
disadvantage?
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3. What are the possible responses
of a population to environmental change?
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4. What exactly is the need for a contractile
vacuole?
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| 5. Briefly describe two different
types of niche isolation. |
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| 6. Put in proper order from largest
to smallest: Class, Family, Genus, Kingdom, Order, Phylum, Species,
Subclass, Superfamily. (Notice the numbers go across!) |
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2 |
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| 7. Give two different types of
structures found in dermis. |
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| 8. What are two
advantages to a tube digestive system over a sac
system? |
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| 9. Which two types of
asexual reproduction produce more than one offspring
at the same time? |
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| 10. What are two major
systems derived from ectoderm? |
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11. What is alternation of generations?
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| 12. What are two different
types of functional molecules dissolved in
vertebrate plasma? (That is, not wastes or
nutrients or respiratory molecules) |
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| 13. Give two features (other than
being old and dead) that the most common fossil animals
would have. |
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| 14. What are the two
different functions of the notochord? |
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| 15. What are two
subtypes of massed food feeding? |
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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.
1. Put these labels in the proper place on the
diagram: anterior, distal, dorsal, posterior, proximal, ventral.
This was a picture of a cow with arrows on it. |
| 2. Name the two types of rigid
skeletons and for each list two advantages it has over
the other. |
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| 3. For three regions of the
typical digestive canal, name the region and give one
process that is often done there that does not
involve using part of the region's name. |
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| 4. For the three different animal
excretory products, name the product and then give a
circumstance connected to excretion of that particular product. |
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| 5. Show using diagrams (with labels)
two different types of countercurrent exchange systems
found in animals. |
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| 6. What are four modern
disciplines that have significantly contributed to ideas
about how Darwinian evolution works? |
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| 7. What, generally, are six
different functions of integument? |
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Link to Answer Key
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.
Ontogeny recapitulates phylogeny got its greatest support from Haeckel's
drawings of embryos. Why was the evidence so much clearer there? Three
Points.
Organisms that have not noticeably changed over long periods have what other
facts in common? Three Points.
If a journal article uses the word "polyphyletic,"what is usually the
context? Three Points.
What is the main body space used to distinguish some animal groups? Three
Points.
What is probably going on in a species where only female individuals can be
found? Three Points.
Give, for Two Points Each, single examples from the major Deuterostome
Phyla.
Which human structure has a sort of hydrostatic skeletal function? Three
Points
What critical detail determines if an animal is hibernating? Three Points.
Where in a human are the capillaries the least leaky? Three Points.
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