BI 173 - Third Exam - 2004

 

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. A heart is a product of

                       a. Endoderm                        b. Mesoderm                        c. Ectoderm
                                       d. Different layers depending on layer production
                                              e. Love songs, nothing but love songs

 

_______ 2. The midbrain is a primary processor for

                       a. Major senses                        b. Minor senses                        c. Emotions
                       d. Memory                                               e. Game shows

 

_______ 3. The most reliable factor connected to a species’ reproductive output (how many offspring 
                                  are typically produced by an adult individual of that species) is

                       a. The type of reproduction used                        b. Available food supply
                       c. What phylum the species belongs to               d. An individual’s survival chances
                                              e. How much cologne the species typically wears

 

_______ 4. A medusa is

                       a. Mobile and sexual                                               b. Mobile and asexual
                       c. Sessile and sexual                                               d. Sessile and asexual
                                              e. We did snaky-headed ladies-?

 

_______5. Binomial nomenclature:

                       a. Taxonomic application of splitting groups
                       b. Descriptive terminology of animal behavior
                       c. Basic organization of protozoan groups
                       d. Rules for species names
                       e. Two words that would be tough plays in Scrabble

 

_______6. An animal with homeotic genes for cephalization should also have them for

                       a. Radial symmetry                                               b. Compound eyes
                       c. Bilateral symmetry                                            d. Communication behavior
                                              e. Use when the regular genes wear out

 

_______7. Which represents a simplified approach to constructing a relatively large animal?

                       a. Metamerism                        b. Bilateral symmetry                        c. Parthenogenesis 
                       d. Radial symmetry                                               e. Legos

 

_______8. Vertebrate metabolic conditions are monitored in the

                       a. Medulla                        b. Pituitary                        c. Cerebellum
                       d. Hypothalamus                        e. Dead of night, with secret wiretaps

 

_______9. Which would have mesoderm?

                       a. Sponge & Hydra                                               b. Tapeworm & rotifer
                       c. Ameba & flagellate                                            d. Anemone & fluke
                                   e. Well, it sounds like something JarJar would say...

 

_______10. An evolutionary ethologist would be concerned with

                       a. Embryonic similarities                                          b. Taxonomic details
                       c. Proximate causation                                             d. Ultimate causation
                                              e. No one knowing what the heck they did

 

_______11. Traits are more likely to be ancestral in

                       a. Endoderm                        b. Ectoderm                        c. Monophyletic groups 
                       d. Polyphyletic groups                        e. Royal families

 

_______12. Ritualized behavior between males of the same species generally

                       a. Decreases agonistic behavior                        b. Increases agonistic behavior
                       c. Is completely stereotypical                           d. Is completely learned
                                                           e. Pulls in large tv ratings

 

_______13. Neurosecretory cells would produce

                       a. Releasing factors                        b. Neurotransmitters                        c. Blood cells
                       d. Hormones                                               e. Nasty cravings

 

_______14. In which would a malfunction completely compromise the ability to reproduce?

                       a. Primary reproductive organs only 
                       b. Secondary reproductive organs only
                       c. Primary and secondary reproductive organs together, only
                       d. Either primary or secondary reproductive organs
                       e. 30% of the world’s "blooper" videos

 

_______15. When a sperm penetrates a female cell, the female cell

                       a. Will always have completed Meiosis II
                       b. Will always have completed Meiosis I
                       c. May not have completed any meiotic divisions
                       d. Will contain polar bodies
                       e. Will not be happy about it

 

_______16. Which would involve a close association between neocortex and cerebellum?

                       a. Climbing a tree                                               b. Remembering a face
                        c. Feeling grief                                                  d. Control of breathing
                              e. Applying a random guess to a multiple-choice question

 

_______17. Which is most likely to have a contractile vacuole?

                       a. Marine ameba                        b. Sea anemone                        c. Tapeworm 
                       d. Paramecium from a pond                       e. Government contractor

 

_______18. This midplane slice through a cat is what type of section?

                       a. Frontal                        b. Cross                        c. Longitudinal 
                       d. Oblique                                               e. Yucky

 

 

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. Give two examples of invertebrates from different phyla that are considered unusually intelligent.

 

2. What advantage does a monoecious species get if it is not self-fertilizing?

 

 

3. What are the two different types of negative feedback that generally control endocrine systems?


 

4. What are two advantages that single-lens eyes have over compound-lens eyes?

 

5. What are two different forms of asexual reproduction?


 

6. What is the purpose of a stigma?

 

 

7. What occurs regularly in nerve nets that virtually never happens in other systems?

 

 

8. Give an example from two widely unrelated groups of organisms that are colonial. This can be the name / designation of a subgroup.


 

9. Briefly explain what a sign stimulus is.

 

 

10. Put the following in order from largest to smallest: Class, Family, Genus, Kingdom, Order, Phylum, Species, Subphylum, Superorder.

1

4

7

2

5

8

3

6

9

11. Give the basic function of -

MICRONUCLEUS -

 

MACRONUCLEUS -

 

12. Define tropic hormone.

 

 

13. Which two different senses rely totally on chemoreceptors?


 

14. What are two situations / circumstances (not groups!) that seem to have given rise to alternation of generations?

 

 

15. Translate into "regular" English - this animal is benthic but not sessile.

 

 

16. What are two different general classes of hormone action?


 

 

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 the group names of the four major groups of protozoans?

 

 

 

 

2. Give three sets of differences between -

PROTOSTOMES

DEUTEROSTOMES

 

 

 

 

 

 

 

3. For the three subgroups of Platyhelminthes, give the name and then one feature that sets each subgroup apart from the other two.




4. List six traits found in both Porifera and Cnidaria, but not common in other phyla.

 

 

 

 

 

 

5. Give three sets of differences between -

SPERM

EGG CELLS

 

 

 

 

 

 

6. Give three advantages for each -

SOCIAL (GROUPING) BEHAVIOR

NON-SOCIAL BEHAVIOR

 

 

 

 

 

 

7. Put these labels in the proper place on the diagram: anterior, distal, dorsal, posterior, proximal, ventral.

 

_________________                                                                                  _________________

 

 

_________________                                                                                   _________________

 

 

_________________                                                                                   _________________

8. What are six senses that do not involve chemoreceptors, and are not some form of vision?

 

 

 

 

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.

 

What recreational drug has most of its effects on the hypothalamus? Three Points.

 

 

What "advanced" behavior was exhibited by the flatworms during Mr. McDarby’s training experiment? Three Points.

 

 

What appears to be a human example of imprinting? Three Points.

 

 

How does it benefit a male sunfish to look like a female? Three Points.

 

 

What is Karl Linne best known for? Three Points.

 

 

How do researchers measure battle strategy in sea anemones? Three Points.

 

 

The Black Sea ctenophore problem seems to be going away. What’s the most likely explanation? Three Points.

 

 

Why have Western farming techniques increased the incidence of schistosome disease in the world? Three Points.

 

 

A wheel organ isn’t really a wheel. Why not? Three Points

 

 

  
     

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