SC 139 - Fourth Exam 1999

MULTIPLE CHOICE.



On the line to the left, place the letter of the choice that best answers the question.
Three Points Each. NOTE: "e" answers are never the correct answer.

                    1. A newt should have
_______              a. A backbone, scales, and gill slits
                            b. No backbone, smooth skin, and a mantle
                            c. A backbone, smooth skin, and external fertilization
                            d. A cartilage skeleton and internal fertilization
                            e. Some sort of royalty deal set up with witchcraft books


                    2. Which would have a cartilage skeleton?
_______              a. Sting ray                         b. Sunfish                         c. Starfish
                            d. Turtle                                     e. The really cheap animals


                    3. Which would have a mantle?
_______             a. Insect                         b. Spider                         c. Starfish
                            d. Clam                             e. One of these has a fireplace???


                    4. Metamorphosis commonly occurs in which groups?
_______              a. Arachnids & Echinoderms                     b. Insects & Amphibians
                            c. Reptiles & Mollusks                              d. Insects & Mollusks
                                                    e. Kiss & the Dixie Chicks


                    5. The challenge area of adaptation to life on land that was last to be 
                                    "solved" by both plants and animals was
_______              a. Reproduction                                         b. Drying resistance
                            c. Direct sunlight effects                              d. Support without buoyancy
                                            e. How to find a good seafood dinner


                    6. Which is true? At some point during their lifetimes, virtually all...
                            a. Insects fly                                        b. Mollusks have shells
_______              c. Flukes use snails as hosts                 d. Starfish shed their exoskeletons
                            e. Students think that maybe flippin' burgers isn't so bad after all...



                    7. By definition, an intermediate host is
_______              a. A site of asexual reproduction                         b. A plant
                            c. A site of asexual reproduction                         d. A fungus
                            e. Someone the host knows can't really replace him


                    8. Sea squirts (tunicates) are most closely related to
________            a. Lizards                         b. Snails                         c. Hydra
                            d. Clams                                     e. Super Soakers


                     9. Subgroups of mollusks have their greatest differences based upon their
_______              a. Mouthparts                 b. Nervous systems                 c. Foot
                            d. Skeletons                             e. Political affiliations


                      10. Which would have a hollow nerve cord?
_______              a. Snake                         b. Fly                         c. Earthworm
                            d. Crayfish                             e. Animals that smuggle


                    11. Under current theory, which would be most closely related to a canary?
_______              a. Monitor lizard                 b. Fruit bat                 c. Flying fish
                            d. Tyrannosaurus rex                 e. Granny & Sylvester


                    12. The annelids (segmented worms) include
_______              a. Roundworms & marine worms                 b. Earthworms & leeches
                            c. Millipedes & Centipedes                          d. Flukes & planarians
                                    e. Any worm put through a food processor


                    13. Three examples from the same phylum:
_______              a. Squids, oysters, slugs                     b. Turtles, snails, horseshoe crabs
                            c. Squids, eels, snakes                       d. Octopus, Hydra, Starfish
                                                        e. Moe, Curly, Larry


                    14. The subgroup with the most named vertebrate species:
_______              a. Insects                         b. Amphibians                         c. Reptiles
                            d. Bony fish                                 e. The biggest one


                    15. All of these should have jaws except
_______              a. Garter snake                     b. Bear                     c. Slime eel
                            d. Catfish                         e. Couldn't write "Great White Shark," eh?

 

SHORT ANSWER.


Answer any eight of the following questions for 4 Points Each.
Note: if you answer more than eight, only the first eight will be corrected.
You can get partial credit on these answers.

1. What are two general groups of animals that commonly produce defensive poisons?




2. What are two nonextinct subgroups of the reptiles?




3. Adult tapeworms often produce no real health effects. What are two reasons for this?

 



4. Give two examples from different invertebrate groups of relatively intelligent animals.




5. Several groups, including insects and reptiles, produce uric acid wastes. What's the main reason that they do so?




6. Caenorhabditis elegans is a _________________(type of animal) used as a primary


research tool in _____________________(type of research).


7. For warm-bloodedness (endothermia), give a clear:
Advantage:

Disadvantage:


8. What does it mean if an animals is said to be free-living?




9. Name two features found in Echinoderms that are not found in any other of the major advanced phyla.




10. What are the two major groups of amphibians?




11. Name two features found in both Echinoderms and Vertebrates but not found in any of the other major advanced phyla.




12. A one-way tube digestive system was a hugely important evolutionary development. Why?




13. What are the two different uses for the notochord?




14. Name two different types of arachnids.




15. An insect thorax commonly has how many of which locomotion structures?




16. Define: what makes something a closed circulatory system?

 

 

LONG ANSWER.


Answer any three of the following questions for Eight Points Each.
Note: if you answer more than three, only the first three will be corrected.
You can get partial credit on these answers.

1. For three types of parasitic nematodes(roundworms), give:

NAME or TYPE Unusual and/or unique fact




2. Many large groups of animals all share certain behaviors. Name four general (species are too small and specific) groups that are pretty much all predators.




3. Birds have many adaptations that help them fly. Name four, and for each tell how it contributes to flight.






4. Give two advantages for each:

EXOSKELETON: ENDOSKELETON:



5. For the subgroups of mammals, give the:

Name: Reproductive distinction: One animal in group:



6. What are four features found in both segmented worms and arthropods?






LINK TO ANSWER KEY

BONUS QUESTIONS. 

Answer as many as you are able. Wrong answers will not result in points being lost from the main exam. You can get partial credit on these answers.

Tapeworms aren't "really" segmented. Why not? Five Points.




Sheep tapeworms go through ants as part of their life cycle. How do they help get themselves from ants into sheep? Six Points.




What function do closed circulation systems handle that open ones usually don't? Three Points.



Horseshoe crabs are being used in what sort of medical procedure? Four Points.




Which animal goes through two changes of symmetry types in a typical lifetime? Three Points.




In a current commercial, what do they get wrong about a coelacanth? Three Points.




Finish: the typical number of offspring produced by a species tends to be inversely related to:




There are several basic animal body plans (more complicated than just symmetry) that show up in several not-too-related groups. For Three Points Each, what are they?




Pick some group that is at least phylum size, name it, and give a decent reason why it could be considered the most successful group. Four Points each, up to three examples, can be any group of living things.


 
     

 

 

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