SC 139 - Fourth Exam 2007

Links on Numbers go to relevant passages in the online textbook.

 

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 hydrostatic skeleton:

_______     a. Shell support in a clam                                                            b. Complicated outside covering of a crab
                  c. Chamber with high-pressure fluid in a roundworm                    d. Extra support feature of a bird
                                                    e. A very bad way to lead off an exam 1.



2. Which belong to the same phylum?

_______     a. Slug, roundworm, sea cucumber                                b. Fruit fly, earthworm, salamander
                  c. Octopus, starfish, lobster                                          d. Sea squirts, tortoises, cats
                                    e. Maybe I should have looked at the pictures in the chapters...



3.  A tick would be most closely related to

_______     a. Centipede                 b. Scorpion                 c. Earthworm                d. Flea                 e. Any government official


 


4.  The two major subgroups of arthropods are separated because of different

_______     a. Mouthparts                 b. Living environments                 c. Exoskeletons
                 d. Numbers of legs                             e. Opinions on Curly vs Shemp




5.  Which would be endotherms?

_______     a. Moths & wasps                     b. Frogs & lizards                     c. Robins & cats
                  d. Platypus & alligator                                         e. A therm's butt



 

6.  An important evolutionary development in land animals was

_______     a. A nontoxic waste material                            b. Eggs with a jelly-like outer layer
                  c. Cephalization                d. Movement with muscle power                             e. Nikes






7. The subgroups that, compared to other related subgroups, have the most described species are

_______     a. Bony fish & insects                 b. Snails/slugs & crustaceans                c. Arachnids & birds
                  d. Mammals & snakes            e. Always lording it over the other poor subgroups, but size doesn't matter - does it?




8.  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
9.  Which would be echinoderms?

_______     a. Starfish & sponge                 b. Starfish & Sea urchin                c. Snail & oyster
                  d. Hydra & coral                                e. Couldn't we get by without the foreign languages?




10.  Insects can usually be recognized from their combination of

_______     a. 2 body sections, 6 legs, and 2 wings                b. 3 body sections, 8 legs, and 2 wings
                  c. 2 body sections, 8 legs, and 4 wings                d. 3 body sections, 6 legs, and 4 wings
                                    e. Terrible bodies, skinny legs, and raggedy wings




11.  A swim bladder is used for

_______     a. Respiration                 b. Buoyancy                 c. Excretion                d. Skeletal structure                 e. Practical jokes




12.  Which are two examples of annelids, segmented worms?

_______     a. Earthworm & roundworm                 b. Marine worm & slime eel                c. Earthworm & leech
                  d. Millipede & centipede                                        e. Any reality show participants



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 of the major subgroups of Reptiles?
2.  Give two sets of differences in the features of:
Millipedes Centipedes


3.  For the water vascular system -
What group

has it?

 What is it

used for?

4.  What are the two groups of invertebrate chordates?
5.  What are the two functions of a notochord?
6.  Many insects go through metamorphosis. What advantage do they get from this?



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



8.  What are the two different types of purposes for which chromatophores are used?
9.  What are two of the subgroups of cartilage fish?
10.  What are the two currently-surviving groups of jawless fish?
11.  Name one Phylum of animals that are:
PROTOSTOMES

 

 DEUTEROSTOMES

12.  The one-way, tube-in-a-tube digestive system was an important evolutionary development. Give one advantage it has over the previous systems.



13.  Briefly explain why there are probably more species of roundworms than insects.



14.  What are two of the three major subgroups of mammals?


LONG ANSWER.

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

1.  Give four sets of differences between -
EXOSKELETON ENDOSKELETON
 
 
 
2.  Give four fight-related characteristics of birds, and for each briefly explain how it relates to fight ability.
 
 


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




4.  Two major subgroups of amphibians - each has two "types" within it...
AND
AND
5.  For four different types of nematodes, give the species or common name and then one feature for each that makes them unusual, even compared to other nematodes.






6.  Give four subgroups of the insects.




7.  Give the three sets of differences between the central nerve cords in...
INVERTEBRATES VERTEBRATES




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.

What local filarial worm does not affect humans directly but may hit them in their wallets? Three Points.



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



What poison typically smells like almonds? Three Points.
What types of insect groups are considered social? Two Points each.





Which two groups, if they had been able to adapt to fresh water systems, would probably have been better at it than our fishy ancestors? Three Points Each.




In terms of how they've adapted, and failed to fully adapt, to their habitat, amphibians are most like which plant group? Three Points.



There is an excellent reason to expect that such groups as the crocodiles, the penguins, or the whales will never develop a type of underwater breathing system, like gills. What is that reason? Three Points.




Before South America connected to North America, what was the top predator in many of its ecosystems? Three Points.




Mammals in Australia belong to one of the major subgroups. The only exceptions are people and the mammals they brought with them, and what other mammals? Three Points.





There are many ways to judge the biological "success" of a group. For any Phylum-level or bigger group of organisms, name a group and give a good reason why that group could be considered the most successful. Five Points each, up to four groups.

 

 

 		  
 
 
     

 

Michael McDarby.

 

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