BI 173 - Third Exam - 2002
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. The body space of a nematode is used as what two "systems"?
a. Respiratory and
digestive
b. Circulatory and reproductive
c. Immune and
digestive
d. Circulatory and skeletal
e. I’ve just decided that I’m not ready for this...
_______ 2. Which are bilaterally symmetrical?
a. Turbellarian and
hydra
b. Fluke and nematode
c. Roundworm and
jellyfish
d. Anemone and tapeworm
e. Isn’t that some sort of psychological disorder?
_______ 3. If early cleavage in an
embryo involves unequal divisions, then the eventual structures
that a particular cell will become are
a.
Unknowable
b. Set late in development
c. Polarized
d. Set right from the first divisions
e. Heh-heh...cleavage...heh-heh-heh...
_______ 4. An ethologist would be most likely to observe
a. Proximate
causation
b. Ultimate causation
c.
Imprinting
d. Pheromonal communication
e. Puzzlement on people’s faces when they announce what they do
_______5. If a researcher decides that a group is polyphyletic, they can easily declare
a. A change in group designation and group name
b. A change in group name but not a change in group designation
c. A change in designation but not a name change
d. None of these can easily be done
e. That no one cares anyway, and go back to sleep
_______6. Which species name follows the appropriate rules?
a. Magnium Policium
b. Unfortunatus accidentus
c. husbandia deceasia
d. insurancius fraudius
e. Um, is there some sort of hidden message in species names?
_______7. Which most closely determines the taxonomy of Sponges?
a.
Mobility
b. Reproductive methods
c. Spicule types
d. Symmetry types
e. Scrubby or non-scrubby
_______8. For successful reproduction, an animal
a. Must have both primary and secondary reproductive structures
b. Only must have primary reproductive structures
c. Only must have secondary reproductive structures
d. Cannot be male and female simultaneously
e. Pretty much needs to get into a chatroom nowadays
_______9. Ritualized behavior is most commonly used to avoid
a. Agonistic
behavior
b. Interspecies mating
c. Habituation
d. Sensitization
e. Sleeping in on a Sunday morning
_______10. Contractile vacuoles are used
a. For water balance in marine
environments
b. For digestion
c. For water balance in freshwater
environments d. For
locomotion
e. To produce teeny tiny burps
_______11. Which is full of DNA but not used as a main information storage site?
a. Steroid
hormones
b. Micronucleus
c. Apical complex
d. Macronucleus
e. Stouffer’s Lean Cuisine D-N-Au
Gratin
_______12. Which is closely involved in determining whether a gland is endocrine or exocrine?
a. Type of
secretion
b. Type of target cells
c. Intracellular target
d. Delivery pathway of secretion e.
Three guys in a room with different-colored pens
_______13. Homeotic genes would be most involved in
a. Metabolic
rates
b. Onset of puberty
c. Heart location
d. Stereotyped behavior
e. Confusing litigation with the Gap
_______14. Which is commonly true for rotifers?
a. They are
unicellular
b. They are Cnidarians
c. They are benthic in
freshwater
d. They live in spaces in the sand
e. They haven’t picked a very attractive name
_______15. Usually an vertebrate endocrine gland activates because it receives
a. A directive from the nervous system
b. Feedback from body metabolism
c. A specific tropic hormone
d. An internal message based on timing
e. An overdue bill in the mail
_______16. Which comes closest to describing parthenogenesis?
a. Offspring from unfertilized egg
cells
b. Asexual reproduction
c. Monoecious sexual
reproduction
d. Sperm cell production
e. Production of chicken nuggets
_______17. A weapon adapted to kill would most likely be used against a
a. Rival
male
b. Social competitor
c. Predator
d. All of these e.
Bad guy in a movie, if they’re from the current bad guy group
_______18. An animal with both male and female parts is
a.
Asexual
b. Monoecious
c. Alternating generations
d. Dioecious
e. Hard to buy baby clothes for
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. What are two completely different uses for display behavior? |
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2. What are two different characteristic features found in Cnidarians but not in Sponges? |
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3. Feedback to the endocrine system is usually based on one of two cues. What are the two? |
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4. What, according to the definition, makes an organism an intermediate host?
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5. There are three distinct evolutionary rationales for alternation of generations. Explain one.
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6. What is the goal of the applied research being done on Acanthocephalans?
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7. Briefly explain how a choanocyte works (include where they are found).
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8. What is a sign stimulus? If you use terms in your definition, define the terms.
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9. a. What is a stigma?
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b. A stigma is used to do what? (Don’t just repeat a) |
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10. For internal fertilization, give one each of a definite: |
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Advantage:
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Disadvantage:
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11. What does the term free-living mean?
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12. What seems the likeliest solution to the ctenophore problem in the Black Sea?
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13. What about anemone colonies in tidal pools turned out to be difficult to explain?
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14. Place in order, working from smallest group to largest group: Class, Family, Genus, Kingdom, Order, Phylum, Species, Subclass, Superfamily. |
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1. |
4. |
7. |
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2. |
5. |
8. |
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3. |
6. |
9. |
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15. For polar bodies - |
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When are they produced? Be specific! |
Why are they produced? |
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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. Give six different types of environmental cues that can be picked up by animal senses. |
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2. For the three embryonic germ layers, name the layers and for each give an associated organ system. |
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3. Give three examples of nematode species (common names are fine) and for each, give one relatively unique fact about that species. |
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4. Give three different advantages connected to nonsocial behavior and for each, give three specific examples from animals that can demonstrate it. |
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5. Fill in the appropriate labels from this list to the figure: Anterior, Distal, Proximal, Dorsal, Posterior, Ventral. ---------------------- ---------------------- ---------------------- IMAGINE A PICTURE OF AN ANIMAL SEEN FROM THE SIDE...
---------------------- ---------------------- ---------------------- |
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6. What are three sets of differences used across the whole of living things to determine gender? |
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MALE - Sperm |
FEMALE - Egg Cell / Ovum |
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7. For three of the subgroups of Protozoa, give the official name of the group and the main mode of locomotion for that group. |
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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.
Of the five types of tissues, which are capable of producing secretions? Four Points.
Briefly explain how a scratch box, used in lab tests of bird migration, works. Four Points.
What are the two components of bee dancing, and what does each mean? Four Points.
Explain why a spider can’t have an identical twin. Four Points.
What feature is classically used to differentiate body spaces (Three Points) and why is that feature not functionally significant (Three Points)?
What was the main study area of Carolus Linnaeus, "the taxonomy guy"? Three Points.
What is the primary reason that Sponges should probably be grouped into their own separate Kingdom? Four Points.