BI 173 - Third Exam -
2005MULTIPLE
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. Malaria is caused by a
a. Nematode
b. Mosquito
c. Trematode
d. Protozoan
e. If you can’t get it in the U.S., what do I care?
_______ 2. For which object would a midplane slice be virtually identical for two directions only?
a. Golf ball
b. Baseball bat
c. Tennis racket
d. Football helmet
e. Say what?
_______ 3. The dangerous aspects of schistosome disease is produced mostly by
a. The worms eating body cells
b. Poisons created by the worms
c. The body’s own immune reactions
d. Wandering eggs
e. Trying to say it, spitting on folks, and getting slapped
_______ 4. Which function appears in the protozoa but not the multicelled animals?
a. Colonialism
b. Asexual reproduction
c. Photosynthesis
d. Diffusion for exchange needs
e. Pouring concrete and filling out complicated insurance forms
_______5. Which should have a scolex?
a. Portuguese man-o-war
b. Chinese liver fluke
c. Asian fish tapeworm
d. Australian box jellyfish
e. East African scolex-critter
_______6. The current definition for species is based mostly on
a. Homologous structures
b. Gamete compatibility
c. Ethology
d. Ancestry e.
Who you ask (and this may be the best answer, but you can’t pick it)
_______7. What term is applied when two
subgroups’ nearest shared ancestor is not a member of the
enclosing group?
a. Polyphyletic
b. Multiancestral
c. Supergrouping
d. Definitive grouping
e. Stoopi-patootey
_______8. To make a macronucleus, you need
a. A regular nucleus
b. Another macronucleus
c. A micronucleus
d. A cell wall
e. "NUCLEUS" to already be on the ScrabbleTM
board
_______9. A grasshopper’s crop and malpighian tubules should be derived from
a. Endoderm b. Mesoderm c. Blastoderm d. Ectoderm e. Cropoderm
_______10. A paper that remarks about how
music is found in virtually every human culture is probably
leading into an investigation of
a. Proximate causation
b. Ultimate causation
c. Agonistic behavior
d. Pheromone-based communication
e. The downfall of civilization from modern music
_______11. Regulation of which system is based almost entirely on feedback?
a. Colonial
b. Alternation of generations
c. Endocrine
d. Nerve nets
e. Blockbuster movie editing
_______12. Which are usually dioecious?
a. Flukes & tapeworms
b. Tapeworms & roundworms
c. Flukes & polyps
d. Medusae & roundworms
e. It sounds like a fairly depressing thing to be
_______13. Individuals of a monoecious species should be all
a. Asexual
b. Self-fertilizing
c. Unable to self-fertilize
d. Able to produce offspring
e. Very wealthy
_______14. Which is more at risk from a tapeworm infection?
a. Definitive host
b. Intermediate host
c. Vector / carrier host
d. All of these equally
e. Talk show host
_______15. Choanocytes are used for
a. Filter feeding
b. Replacing dead cells
c. Defense
d. Reproduction
e. Giving everyone Australian accents
_______16. A sign stimulus is usually
a. A learned item
b. An aggression reducer
c. Found only in social animals
d. An aspect of a releaser
e. The whole basis of the billboard industry
_______17. Which are all parasites?
a. Apicomplexans & nematodes
b. Jellyfish & trematodes
c. Apicomplexans & cestodes
d. Hydras & amebas
e. TV executives & pop stars
_______18. The simplest evolutionary advantage of metamerism involves
a. Reproduction
b. Size
c. Cephalization
d. Digestive efficiency
e. Getting this question right
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. What are two different general classes of hormone action? | |||
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| 2. Put in proper order from smallest to largest: Class, Family, Genus, Kingdom, Order, Phylum, Species, Suborder, Superclass. (Notice the numbers go across!) | |||
| 1 | 2 | 3 | |
| 4 | 5 | 6 | |
| 7 | 8 | 9 | |
| 3. Anemones are typically
octaradially symmetrical. Briefly explain what this means.
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| 4. What are two functions done by the fluid-filled body cavity of nematodes? | |||
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| 5. Name the specialized cell types that are only found in each animal group - | |||
| SPONGES | CNIDARIA | ||
| 6. What does benthic mean?
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| 7. Why are
flatworms flat?
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| 8. Which two groups of protozoans are generally linked into a supergroup? | |||
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| 9. Give a group that typically uses alternation of generations, and give the evolutionary rationale for their doing it. | ||
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| 10. What commercial
application may come from research with
acanthocephalans?
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| 11. What is the purpose of
tropic hormones?
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| 12. Describe (don’t just name!) two approaches to asexual reproduction. | ||
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| 13. Spicules are | ||
| Found where? |
Doing what? |
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| 14. By definition, what makes a
host an intermediate host?
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| 15. What are two of the binomial nomenclature rules? | ||
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| 16. Briefly explain the
mathematical relationship that helps explain why different species tend
to produce more or fewer offspring per
reproductive adult.
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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. What are three characteristics found in Platyhelminthes that are not present in Porifera or Cnidaria, but which will be common in the other major animal phyla. | ||
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| 2. Give three clear general advantages for each - | ||
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SOCIAL BEHAVIOR |
NONSOCIAL BEHAVIOR |
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| 3. Give three sets of general differences between - | ||
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EGG CELLS |
SPERM |
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| 4. Give three distinctly different examples of display behavior | ||
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| 5. For three different types of nematodes, give the species, subgroup, or common name and then one feature for each that makes them unusual, even compared to other nematodes. | ||
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| 6. Put these labels in the proper place on the diagram: anterior, distal, dorsal, posterior, proximal, ventral. | ||
| There was a side-view of some
vertebrate (like a dog) here)
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| 7. Give three sets of general differences between - (Don’t use the same one twice but rephrased!) | ||
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PROTOSTOMES |
DEUTEROSTOMES |
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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.
In many zoology texts, important consideration is given to what aspect of internal cavities? Three Points.
Latin root words - Three Points each, tell what each one means -
mesoglea pseudopod platyhelminth acanthocephala
Explain why, in ciliates, sex is suicide. Four Points.
When anemones engage in single combat, how does a researcher decide when one has "lost"? Three Points.
The ctenophore invaders to the Black Sea devastated the commercial fishing business. How? Four Points.
What happened to lessen the ctenophore effect in the Black Sea? Three Points.
What local condition is caused by schistosomes? Three Points.
Why, probably, aren’t there actual human-infesting schistosomes in the United States? Three Points.
In the training experiment, the flatworms applied a type of thinking that should have been well beyond their abilities. What was it? Three Points.