BI 173 - Third Exam - 1998


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. Releasing factors: what do they lead to the release of?
                            a. Particular behaviors                                 b. Tropic hormones
                            c. Neurotransmitters                                    d. Sperm
                            e. It's, like, if you rent a car, then you want to do it again...


_______ 2. Which characteristic of Protozoans is most different from other animals?
                            a. They can be heterotrophs                     b. They can be asexual or sexual
                            c. They use alternations of generations      d. They are unicellular
                                        e. They prefer Drew Carey to Jerry Seinfeld


_______ 3. In old movies, the damsel was tied face-up to the conveyor belt, moving
                                        headfirst toward a vertical saw that would cut them in half, in a
                            a. Midsagittal / longitudinal section                 b. Midfrontal section
                            c. Cross / Transverse section                         d. Mesotrinate section
                            e. Scene that would today call for horrifying special effects


_______ 4. The idea that humans best learn new languages between ages 2 & 12 is 
                                        an example of
                            a. Imprinting                                             b. Stereotyped behavior
                            c. Sociality                                               d. Ritualized behavior
                                        e. Another possible major I can't switch to


_______5. Which is an example of a threshold effect?
                            a. A large stimulus sends many impulses in a row
                            b. A pain message depends upon a certain number of damaged cells
                            c. Certain hearing cells are "tuned" to certain frequencies of sound
                            d. Social groups often involve a minimum number of individuals
                            e. You trip going through a door


_______6. A protozoan with a contractile vacuole would most likely be found in
                            a. An ocean                               b. A human cell
                            c. A freshwater pond                 d. On a rock surface
                            e. What sort of person goes looking for these things?


_______7. An organism's gender can be conclusively determined from its
                            a. External structures                             b. Internal structures
                            c. Produced gametes                             d. Any of these
                                                  e. Taste in interior design


_______8. Vertebrate bone would be derived from
                            a. Endoderm                                         b. Mesoderm
                            c. Blastoderm                                        d. Ectoderm
                                                        e. Gristlederm


_______9. Internal organs can be fairly independent because of the evolution of
                            a. Mesoderm                                     b. One-way digestive tracts
                            c. Body cavities                                 d. Internal fertilization
                                                        e. Therapy for guts


_______10. Which is true of stereotyped behavior?
                            a. It is produced as a response to its environment
                            b. It is learned very early in life
                            c. Its costs should be more than its benefits
                            d. It should produce only social behavior
                            e. They don't allow it in Illinois


_______11. Coordination of motor responses in the vertebrate brain is done by the
                            a. Cerebrum                               b. Hypothalamus
                            b. Cerebellum                             d. Thalamus
                            e. If we have motors, where are the hoods?


_______12. The release of a hormone may be controlled by the hormone's effect in a
                                        process known as
                            a. 2nd messenger                             b. Feedback
                            c. Releasers                                     d. Equilibrium
                                            e. That tricky hormone thing


_______13. Hormones that bind directly to chromosomal proteins must be
                            a. 2nd messengers                             b. Tropic
                            c. Lipid-soluble                                 d. Neurosecretory
                                                        e. Really lonely


_______14. The number of offspring typically produced by a species' individual is related to
                            a. Its metabolic levels             b. The survival prospects of the offspring
                            c. Its sociality levels                d. Its fertilization type
                                    e. How many baby names that species has


_______15. The details of layout during embryological development are covered by
                            a. Gastrulation                              b. Zygotic genes
                            c. Polar bodies                             d. Homeotic genes
                            e. A very complex instruction booklet issued at fertilization


_______16. Evolution of vertebrate brains seems to have taken which steps in processing?
                            a. Single--regressive--recursive            b. Linear--nodal--multiparallel
                            c. Single--parallel--nodal                     d. Nodal--recursive--unlocked
                            e. There is no evidence of advancement - look at Jerry Springer!


_______17. The ability of a spider, without looking, to wrap prey animals in silk by
                                        transferring threads from one foot to another depends upon
                            a. Polarization                                  b. Pheromones
                            c. Proprioception                             d. Parthenogenesis
                                                   e. Some other "p" word


_______18. Distantly related organisms should share some
                            a. Ancestral characteristics                     b. Behavioral characteristics
                            c. Sensory characteristics                       d. Derived characteristics
                                    e. Of the blame for this screwed-up world


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 exactly is parthenogenesis?





2. What are two rules that apply specifically to species names?





3. Give the main difference:
ENDOCRINE GLANDS EXOCRINE GLANDS

4. Give two examples, from different phyla, of invertebrates widely acknowledged as having relatively high intelligence.






5. What is alternation of generations?





6. Which two general senses are both dependent upon chemoreceptors?





7. What is generally true of intraspecific weapons, and why?





8. What is cephalization, and what other seemingly non-related feature does it go along with?




9. Name two different types of asexual reproduction.





10. Differentiate between:
PROXIMATE CAUSATION ULTIMATE CAUSATION

11. Not all animal vision can see the same things. What are two different types of visual input that can vary among animals? (This is not asking for structurally different systems.)





12. For external fertilization, give one:
Advantage:


Disadvantage:

13. Briefly describe how a nerve impulse "jumps" a chemical synapse.





14. Define segmentation / metamerism.





15. What is the purpose of tropic hormones?





16. What does dioecious mean?





17. When biologists disagree about the taxonomy of a group...

            What are they allowed to do?


            What are they not allowed to do?


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. Name and give one function for three parts of the vertebrate forebrain.







2. For four different general types of hormone action, name the action and either give a hormone example or a specific type of control within that action group.





3. Name the four groups of Protozoans (spelling doesn't have to be precise, but the names need to be recognizable), and for each give a distinguishing characteristic.





4. For each group below, give three sets of distinct differences.
PROTOSTOMES DEUTEROSTOMES


5. Fill in the blanks with the proper anatomical terms:

A horse's saddle is placed on its _____________ surface, while the bridle is placed over 

 

its nose at the _____________ end. The stirrups for the rider's feet are _____________ 

 

to the horse itself. The rider's boots are placed _____________ to their pants legs.


6. For each group, give four possible advantages (make sure they clearly are stated as advantages).
SOCIAL BEHAVIOR NONSOCIAL BEHAVIOR






7. Name and briefly describe what happens during the three stages of a nerve impulse.




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.

There is a general bit of insight, supposedly confined to very advanced thinkers, that some experimental flatworms seemed to have. What was it? Four Points.





There is a possible explanation, having nothing to do with intelligence, that explains why whales have proportionately large brains. What is it? Four Points.





Which drug seems, from the symptoms it produces, to specifically target the hypothalamus?  Three Points.





Why must night-flying birds have a lot of endurance? Four Points.





The primary reason that electric eels are electric has nothing to do with defense. What is it? Four Points.





Why do some fish have a stripe through their eyes and spots by their tails? Four Points.





What is an example of an animal communicating in a way that it cannot itself detect? Three Points.




Why is sex in a ciliate suicide? Four Points.

 

 

 

HOME

Hit Counter