BI 173 - Fourth Exam - 2005

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. An operculum is associated with

                    a. Pheromones                     b. Gills                     c. Annelids                     d. Wings
                                        e. What you use to look down a soprano's throat

 

_______ 2. Powerful defensive poisons can be found in

                    a. Frogs and millipedes                             b. Sea urchins and roundworms
                    c. Leeches and lizards                              d. Lamprey eels and flukes
                                        e. Baby diapers and closed elevators

 

_______ 3. Which would be endotherms?

                    a. Robin and kangaroo                             b. Crocodile and mouse
                    c. Spider and crayfish                              d. Moth and cat
                                        e. I pay no attention to ethnic origins

 

_______ 4. In the more advanced insect flight systems, the muscles attach

                    a. Directly to the wings                             b. To a keelbone structure
                    c. To the walls of the thorax                      d. To the back legs
                                e. To each other in a very obscene manner

 

_______ 5. A feature that shows some relatedness across several phyla:

                    a. Trochophore larvae                                 b. Pentaradial symmetry
                    c. Sociality                                                 d. Zygote formation
                                e. Opinions about the humor of the Three Stooges

 

_______6. Which are deuterostomes?

                    a. Roundworm and leech                                 b. Starfish and salamander
                    c. Spider and earthworm                                  d. Slug and pigeon
                                e. You're just making these words up, aren't you -?

 

_______ 7. A slime eel might have

                    a. Jaws but no teeth                                         b. Fins but not in pairs
                    c. Bones but no jaws                                       d. Gills and lungs both
                            e. Trouble being served in a restaurant (as entree or customer)

 

_______8. Which are in the same phylum?

                    a. Polychaete worm and sea cucumber                     b. Bat and dragonfly
                    c. Sea squirt and eagle                                             d. Earthworm and snake
                                                e. Could I alphabetize them instead?

 

_______9. Which would be a modern nonwinged insect?

                    a. Silverfish             b. Grasshopper            c. Flea             d. Tick
                                                e. Those Volkswagen 'Beetles'

 

_______10. Probably the most important aspect of the osteichthyan swim bladder is that it

                    a. Helps draw oxygen from the water
                    b. Gives the muscles something to pull against
                    c. Could be evolved into a lung
                    d. Helps conserve energy
                    e. Does not produce detectable "warm spots" in the swimming pool

 

_______ 11. Which animals could be expected to excrete primarily uric acid?

                    a. Earthworm & lizard                                         b. Crow & cricket
                    c. Starfish & opossum                                         d. Snake and salamander
                                    e. I try not to expect such things about any animal

 

_______12. Mantle cavities could be found in

                    a. Sea urchins and crayfish                                     b. Sea anemones and starfish
                    c. Snails and jellyfish                                              d. Oysters and squid
                                        e. In fireplaces with built-in knick-knack cabinets

 

_______13. Something a lizard would have but a snake would not

                    a. Backbone             b. Ear opening             c. Scales            d. All of these             e. Personality

 

_______14. If an organism is a facultative parasite, then it

                    a. Also may be found free-living                     b. Lives externally on its host
                    c. Lives internally on its host                          d. Goes through several larval stages
                                                            e. Lives on teachers

 

_______15. These would have closed circulatory systems:

                    a. Roundworm and sea cucumber                     b. Newt and centipede
                    c. Turbellarian and clam                                   d. Earthworm and sting ray
                                   e. Animals with high tariffs and protectivist administrators

 

_______ 16. Which goes through bilateral, then pentaradial, then bilateral symmetry?

                    a. Nematode             b. Sea cucumber             c. Leech             d. Sea urchin
                                            e. I don't know, but it sounds painful...

 

_______17. Which are mammals?

                    a. Bat and rat                                                 b. Platypus and duck
                    c. Whale and shark                                         d. Elephant and snapping turtle
                    e. When are we going to stop prying into these poor animals’ backgrounds...?

 

_______ 18. Which would have paired ventral nerve cords?

                    a. Cockroach & sea urchin                                         b. Clam & starfish
                    c. Shark & salamander                                               d. Spider & earthworm
                                   e. Whoever bought them when Walmart had that sale...

 

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. A radula -
What is
it?		 What phylum
has it?
2. What is one example of an invertebrate chordate?

 

 
3. Give two sets of differences, structural or functional, between -

CHILOPODS

DIPLOPODS


 

 
4. Two different uses for chromatophores -
 

 
5. Birds show many sexual selection features, more than other animals. Why?

 

 
6. Name two separate subgroups of the cartilage fish.
 

 
7. What, in order, are the stages followed in indirect development?
1 2 3
8. What is the significance of onychophorans?

 

 
9. What is a marsupial? Definition, not example.

 

 
10. Which two classes of vertebrates typically have glandular skin?
 

 
11. What are the two amphibian subgroups?
 

 
12. What are two of the major subgroups of the annelids?
 

 
13. What are two adaptations characteristic of reptiles that are specific adaptations to the terrestrial environment?
 

 
14. What are two facts or features that suggest a close connection between birds and dinosaurs.
 

 
15. What are two characteristics of mammals that are not found in any other vertebrates?
 

 
16. Name two major groups or subgroups that are virtually 100% marine.
 

 

 

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. List six groups or subgroups considered terrestrial, but which are contained in larger groups that are not considered terrestrial.
 

 
 

 
2. Give three sets of differences in general characteristics between -

ARACHNIDS

INSECTS
 

 

 
 

 

 
 

 

 
3. What are six different subgroups (Orders) of winged insects? Common names are expected.
 

 
 

 
4. What are three general characteristics of Echinoderms that are different from virtually all of the other animal groups?
 

 

5. For each of the three major subgroups of Mollusks, give the official name of the group, and then describe the characteristic form the foot takes in that group.
 

 
 

 
 

 

6. What are four general systems whose structures tend to repeat in metameric animals?
 

 

 
 

 

 

7. What are four features of Chordates that are found in no other groups?
 

 

 
 

 

 

8. What are six characteristics of birds that can be directly connected to the aspect of flight? (Other than flight itself)
 

 
 

 
 

 

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.

Maximum sizes in giant squid have been inferred from the sucker-inflicted scars found on sperm whales. Why is that not a reliable source of such information? Three Points.

 

 

Species from an entirely unknown phylum were discovered by researchers just a few years ago - in what environment were the animals living? Three Points.

 

 

What sorts of medical tests involve the use of horseshoe crab blood? Three Points.

 

 

What two research areas having nothing to do with the study animals are interested in the behavior of ants? Three Points each.

 

 

Describe a trait found in Echinoderms that shows that evolution doesn’t follow a "logical" progress - a trait that exists but seems like it shouldn’t, and explain why it shouldn’t. Five Points.

 

 

What aspects of most zoology texts show a type of "vertebrate chauvinism"? Explain briefly. Four Points.

 

 

What feature of bony fish suggests that the group evolved in fresh water? Three Points.

 

 

Dimetrodon - the critter with the big back-fin that’s in every pack of toy "dinosaurs" - was most closely related to what modern group of vertebrates? Three Points.


  
     

 

 

 

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