BI 173 - Fourth Exam - 2008
 

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. Which should each have four pairs of walking legs?

                    a. Crabs & crayfish             b. Fleas & ticks             c. Centipedes & crickets            d. Spiders & scorpions             e. A couple walking their dog



_______ 2. Which would produce primarily uric acid?

                    a. Frog and dog             b. Spider and hawk            c. Moth and octopus             d. Starfish and shark
                                        e. The guy from Shakespeare - "Alas, poor Uric, I knew him..."?



_______ 3. Migratory birds differ from non-migratory birds based upon

                    a. Nesting habitat             b. Mating preferences            c. Temperature control             d. Food preferences            e. Who has the maps and snacks



_______ 4. Turtles are generally

                    a. Terrestrial predators             b. Aquatic predators            c. Terrestrial herbivores             d. Aquatic herbivores            e. Not cute and cuddly



_______ 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. The invertebrate chordates include the

                    a. Sea squirts & lancelets             b. Starfish & sea urchins            c. Earthworms & leeches             d. Lamprey eels & snakes
                                                                                e. Ones that don't own dance




_______7. In modern winged insects, the wings are driven by

                    a. Muscles attached to their bases                     b. A water vascular system                    c. Muscles attached to the body wall
                    d. A notochord                                                                e. The uncontrollable urge to annoy people with buzzing



_______8. Defensive poisons, of the purely "don't eat me" variety, could be expected in

                    a. Starfish and squid             b. Amphibians and millipedes            c. Snakes and earthworms             d. Trematodes and nematodes
                                                            e. Mentions in the small print on the bottom of the menu



_______9. A feature that garter snakes and grasshoppers have in common:

                    a. Endoskeleton             b. Exoskeleton             c. Uric acid excretion            d. Tracheal breathing system             e. General ickyness



_______10. An operculum is a structure associated with

                    a. Internal structure             b. Digestion             c. Respiration            d. Reproduction             e. Something perky



_______11. Which would have endoskeletons?

                    a. Fluke & medusa             b. Crayfish & cricket            c. Sponge & earthworm             d. Starfish & rat
                                            e. Only those who can afford them - they're trendy but expensive



_______12. Which would have a mantle cavity?

                    a. Earthworm             b. Clam            c. Turtle             d. Horseshoe crab            e. Someone with a safe above the fireplace




_______13. Which group has virtually no marine forms?

                    a. Insects             b. Crustaceans             c. Tunicates            d. Mammals             e. The Air Force

 


_______14. What are chelicerae?

                    a. Type of copulatory structure                     b. Type of limbs                    c. Type of plankton
                    d. Type of mouthparts                                            e. Type of chewing gum
 



_______15. The swim bladder of Osteichthyes is most useful because it allows

                    a. More efficient waste removal                         b. Much better oxygen exchange in warm water
                    c. Energy to be saved in swimming                    d. The circulation system to form two loops
                                                e. Them to be in the water without a lifeguard


 

_______ 16. 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)


 

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

                    a. Osteichthyes & insects                     b. Bivalves & crustaceans                    c. Arachnids & birds
                    d. Mammals & snakes            e. Always lording it over the other poor subgroups, but size doesn't matter - does it?
 

 

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 sets of differences in the features of:
DIPLOPODS / Millipedes CHILOPODS / Centipedes
   

 
   

 
2. There are three modes of insect mouth parts. What are two?
 

 

  
3. Why are the Onychophorans of interest to evolutionary biologists?

 

 
4. The three physical stages of indirect development in insects:
a) b) c)
5. What are the two different types of purposes for which chromatophores are used?
 

 

  
6. Of the two types of locomotion structures in insects, tell how many of what types are commonly present.
 

 

  
7. Briefly explain what makes an organism plankton.


 
8.  Name two characteristic features found only in Echinoderms.
 

 

  
9. Polymorphism -
What is it?


 

 Where is it
most likely
to be found?
 
10. Give two sets of differences between
LIZARDS SNAKES
 

 

  
 

 

  
11. Three major tetrapod subgroups show up in the fossil record at about the same time - what are two of them?
 

 

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

 

  
13. The major subgroups of amphibians -
& &
14. What sort of application may come from the study of acanthocephalans?
 

 

 
15. In biological terms, briefly define -
Obligate -
 

 

 Facultative -
 

 


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. Give six different major subgroups of the modern insects.
 

 

    
 

 

    
2. Give the names (common names okay) of three subgroups of Annelids and a brief description of the members of each subgroup.
 

 

  
 

 

  
 

 

  
3. 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.
 

 

  
 

 

  
 

 

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

 

  
 

 

  
5. Pick three particular challenges that faced animals evolving from aquatic to terrestrial forms; for each, give an adaptation to that challenge found in a terrestrial vertebrate.
 

 

  
 

 

  
 

 

  
6. In annelids -
3 Features That Repeat Metamerically 3 Features That Do Not Repeat Metamerically
 

 

  
 

 

  
 

 

  
7. For the three major vertebrate fish subgroups, name the groups (common name is okay) and give one example of a fish in that particular group.
 

 

  
 

 

  
 

 

  
8. Give six features of birds that can be easily be linked to 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.

There are a number of basic "layout plans" (NOT symmetry patterns) that show up in many unrelated groups. For Three Points each, describe the plans (you can describe or use a "typical" example.).

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


The single species that probably contains the most individual animals - which subgroup does it belong to? Three Points.


What do most terrestrial crustaceans look like? Three Points.


Why are echinoderms and chordates linked together on the animal "tree?" Three Points.


Species from which major organism groups almost certainly preceded vertebrates into terrestrial environments? Two Points Each.


Briefly explain why many reptiles have forked tongues. Three Points.


What "correction" had to be made to assembled dinosaur skeletons about 60 years ago? Three Points.
 


According to current fossil evidence, what features may birds share with theropod dinosaurs? Two Points Each.


Why do migrating birds sometimes run into buildings? Three Points.



Pick a Phylum-Level animal group that you think could be labeled "most successful." Name the group and give one compelling reason for the label.

 

 

 		  

 

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