Download B 262, F 2009

Name
BIOLOGY 262, FALL 2009
FINAL EXAMINATION (PART 1)
Date
MULTIPLE CHOICE (+ FILL-IN THE BLANK).⎯For the following multiple choice questions circle
the letter in front of the response that best answers the question or completes the sentence. (10%,
1% each)
1. Which of the following is NOT an
assumption of scientific philosophy?
a. Only experimental observations can
prove hypotheses to be True.
b. Sense experience consistently (but
not absolutely_ reflects reality.
c. The universe is ordered.
d. None of the above. (All are assumptions)
2. Which of the following is a disease or
condition caused by a nematode?
a. fluke infection
b. hookworm infection
c. MRSA infection
d. syphilis
e. tapeworm infection
3. Which of the following is NOT one of the
unique derived characteristics of
chordates?
a. calcium carbonate skeleton
b. dorsal nerve tube
c. notochord
d. pharyngeal openings
e. post-anal tail
4. The nervous system develops from
which type of tissue?
a. ectoderm
b. endoderm
c. mesoderm
d. pachyderm
5. Which of the following theoretically
should have the highest species richness?
a. large long island far from continent
b. large long island near continent
c. small long island far from continent
d. small long island near continent
e. large round island far from continent
f. large round island near continent
g. small round island far from continent
h. small round island near continent
6. Which of the following increases genetic
variation?
a. artificial selection
b. genetic drift
c. mutation
d. natural selection
e. None of the above (all decrease variation)
7. If a population of 100000 is undergoing
logistic growth with a yearly intrinsic rate of
increase of 0.50, and a carrying capacity of
100000 then what is the size of the population
after 2 years? (round ≥0.5 up and <0.5 down if needed)
a. 199000
b. 200000
c. 215400
d. 225800
e. None of the above.
8-10. Identify three things thata re incorrect or
misleading about the diagram below.
FILL-IN-THE-BLANK.⎯For the following exercises write the appropriate word or words in the
available space.
1. Fill in the table below. (4%)
Model Organism
Common Name
Kingdom
Phylum
Arabidopsis thaliana
Drosophila
melanogaster
Saccharomyces
cerevisiae
Xenopus laevis
2.. What type of tissue is depicted at right. Be
as specific as possible but do not exceed a
few words in length. (1%)
DEFINITIONS.⎯For the following BIOLOGICAL words or phrases, define them as accurately
and concisely as possible. (10%, 2% each)
1. competitive exclusion:
2. diploblastic:
3. hyphae (singular = hypha):
4. pseudocoelomate:
5. (bacterial) transformation:
Name
BIOLOGY 262, FALL 2009
FINAL EXAMINATION (PART 2)
Date
FREE RESPONSE QUESTIONS/PROBLEMS.⎯For the following, address each in as concise and
lucid a manner as possible. Do NOT exceed the space provided.
1. Use the data below to construct a phylogenetic tree of the species in the left column. Show the derived
traits on your phylogenetic tree. OG = Outgroup
(5%)
Feathers
Heart
Chamber
s
Penis
Perching
Foot
Teeth
Chicken
present
4
absent
absent
absent
Crow
present
4
absent
present
absent
Sparrow
present
4
absent
present
absent
Ostrich
present
4
present
absent
absent
Alligator
Lizard
Outgroup
absent
absent
4
3
present
present
absent
absent
present
present
2. In the space below sketch and label all the important structures in a FUNGAL cell. (5%)
3. Generally outline basic animal development in a vertebrate from fertilization to the formation
of the nervous system. Be certain to identify each stage and indicate what is happening at
each stage. (5%) Feel free but do not feel obliged to use labeled sketches in your answer.
4. To reduce the frequency of antibiotic resistant bacteria in the environment it is
recommended that antibiotics be used less frequently. Why would less frequent use of antibiotics
result in greater frequency of susceptible bacteria over time? Provide a brief evolutionary
explanation. (5%)
5. Explain how the pancreas and liver together regulate blood glucose. What happens when
blood sugar is high? What happens when blood sugar is low? (4%)
6. In a sentence, explain what happens to cause Type 2 Diabetes. (1%)
Name
BIOLOGY 262, FALL 2009
FINAL EXAMINATION (PART 3)
Date
MULTIPLE CHOICE.⎯For the following multiple choice questions circle the letter in front of the
response that best answers the question or completes the sentence. (10%, 1% each)
1. Which of the following best describes the
community ecology relationship of a
squirrel eating an oak seed (acorn)?
a. Interspecific amensalism
b. Intraspecific amensalism
c. Interspecific commensalism
d. Intraspecific commensalism
e. Interspecific grazing
f. Intraspecific grazing
g. Interspecific predation
h. Intraspecific predation
i. None of the above
2. Is a population with the following
genotypes at Hardy-Weinberg
equilibrium, 72BB 96Bb 32bb ?
a. No
b. Yes
c. Cannot be determined with the
information provided.
3. Which of the following describes a
bacterium that causes severe disease solely
because of the reproduction of the
bacterium?
a. highly antibiotic
b. highly invasive
c. highly toxigenic
d. highly xerophytic
e. None of the above
4. Which of the following is an annelid?
a. dog
b. earthworm
c. jellyfish / seajelly
d. tapeworm
e. starfish / seastar
5. Which of the following most limits
aquatic primary production?
a. light and nutrients
b. light and temperature
c. temperature and nutrients
d. temperature and water
The samples below measured the number of E. coli
cells per μl derived from a standard broth culture.
One culture was exposed to the drug Bacteri-BGon®. The hypothesis is that exposure to Bacteri-BGon® (BBG) exposure will kill cells.
Table. Cell density per μl of E. coli after 10 minutes
exposure to Bacteri-B-Gon® and unexposed
culture. t-test p-value = 0.049
Not exposed
10 9 11 8 10 9
12 10 30 12 14 21
6. For these data and this hypothesis what
type of graph would be most
appropriate?↑
Exposed to BBG
a.
b.
c.
d.
e.
Bar graph of means
Bar graph of samples
Histogram
Line Graph
Scatter Plot
7. The hypothesis is…
↑
a. rejected.
b. supported.
c. This cannot be determined with these data.
8. Organisms in which of the following phyla
includes the green algae?
a. Bryophyta
b. Chlorophyta
c. Lycophyta
d. Pterophyta
e. None of the above
9. In which of the following parts of a flower
does meiosis occur?
a. anther
b. filament
c. petal
d. sepal
e. stigma
10. Which of the following is a correct species
name for the organism that causes malaria?
a. falciparum
b. falciparum
c. Falciparum
d. Falciparum
e. plasmodium falciparum
f. plasmodium falciparum
g. Plasmodium falciparum
h. Plasmodium falciparum
i. Plasmodium Falciparum
j. Plasmodium Falciparum
FILL-IN-THE-BLANK.⎯For the following exercises write the appropriate word or words in the
available space. (5%)
3. Provide the summary equation for
1. Fill in the empty cells in the life table
photosynthesis? (1%)
below for a cohort of hippos. (2%)
Survivor- Mortality
Age
Number
ship
0
1000
1
990
2
990
3
980
4
500
2. Graph survivorship ↑ appropriately in
the space provided below. (1%) (Be sure to
select the graph type and to label the graph
appropriately.)
4. In plants, any extra product of
photosynthesis can be used structurally or
stored. What is the name of each of these
molecules? (1%)
Structural____________________________
Storage_____________________________
DEFINITIONS.⎯For the following BIOLOGICAL words or phrases define them as accurately
and concisely as possible. (10%, 2% each)
1. biofilm:
2. connective tissue:
3. natural selection:
4. pollen:
5. science:
Name
BIOLOGY 262, FALL 2009
FINAL EXAMINATION (PART 4)
Date
LONG ANSWERS.⎯ For the following answers, address each question in as concise and lucid a
manner as possible. Do NOT exceed the space provided.
1. Describe/explain the life cycle of a member of Phylum Pterophyta. Include all life cycle stages,
relevant unique structures, and label their ploidy. Also indicate all cellular processes that occur.
Indicate the life cycle generation that is considered to be dominant. (1%)
(7%)
(Feel free but do not feel obliged to use labeled illustrations for your answer.)
2. Generally explain the carbon cycle. (Feel free but do not feel obliged to use labeled illustrations for your
answer.) (6%)
Generally explain how the carbon cycle is related to global climate change (global
warming). (1%)
4. a.) Explain the main points of the book The Evolution Explosion that you read for this class.
(3%)
b.) The Evolution Explosion describes Alexander Fleming’s discovery of the first antibiotic
penicillin. First explain how this took place and then explain how this (the discovery of
antibiotics by Fleming) fits with (relates to) the main points you outlined above. (3%)
c.) Describe at least two (2) other examples (explaining what they demonstrate and how they
demonstrate it) from The Evolution Explosion and explain how each example the main
points of the book. (4%)