BI 173 - Fourth Exam - 2002

 

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 groups are entirely marine?

                        a. Gastropods & Oligochaete worms             b. Osteichthyes & Crustaceans
                        c. Echinoderms & Cephalopods                    d. Osteichthyes & Gastropods
                                        e. That’s not a branch of the military, is it?

 

_______ 2. Which would produce primarily uric acid?

                        a. Frog and dog             b. Spider and hawk            c. Moth and octopus 
                        d. Starfish and shark   
             e. Robert Uric has some bio-ick named after 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. Polymorphism is a characteristic of several types of

                        a. Social insects                 b. Amphibians                c. Cephalopods 
                        d. Birds   
                                             e. Silly old Southern songs

 

_______5. The importance of a four-chambered heart lies in

                        a. Heating of the blood                                      b. Oxygenation of the blood
                        c. Efficiency of the pumping muscles   
         d. Closed versus an open system
                                                    e. How high you can count

 

_______6. Which is a subgroup due to the structure of the foot?

                        a. Amphibians                     b. Sea urchins                    c. Bivalves
                        d. Diplopods   
                                             e. Podiatrists

 

_______7. The most intelligent invertebrates would probably include

                        a. Parrots & chimpanzees                         b. Octopus & ant colony
                        c. Spiders & sharks                                 d. Leeches & Termites
                                e. Anything bright enough to not study animal biology

 

_______8. Which most likely represents a "bridge group" between annelids and arthropods?

                        a. Chelicerates                                                       b. Cephalochordates
                        c. Leeches                                                             d. Onychophorans
                        e. That’s not a bridge you want to be trapped on during a moonless night

 

_______9. Characteristics of birds that fall into flight-related adaptations involve

                        a. Skeleton & circulation                             b. Life span & intelligence
                        c. Weight & metabolism                             d. Behavior & food choices
                                                            e. Ummm...flying?

 

_______10. The invertebrate chordates are largely

                        a. Predators                         b. Sessile                    c. Parasitic 
                        d. Filter feeders   
                         e. Overlooked during study sessions

 

_______11. Which would have a direct flight system?

                        a. Dragonfly         b. Wasp        c. Housefly         d. Butterfly        e. American Airlines

 

_______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 would probably produce important secretions from the integument?

                        a. Beetles & lizards                             b. Butterflies & alligators
                        c. Slugs & salamanders                       d. Rays & earthworms
                                    e. They never covered this on Wheel of Fortune...

 

_______14. Sexual selection has had a particularly powerful effect on the evolution of birds
   
                                     because of the

                        a. Greater pickiness of female birds
                        b. Tendency to form monogamous bonds
                        c. Advanced genetics of the group
                        d. Survival advantage of flight
                        e. They are way too sexed-up

 

_______15. Which features would NOT be found in the jawless fish?

                        a. Teeth                     b. Bilateral fins                    c. Eel-like shape 
                        d. Cartilage skeleton
            e. C’mon, you couldn’t make "jaws" one of the choices??

 

_______16. Which would have antennae?

                        a. Millipede and spider                         b. Scorpion and horseshoe crab
                        c. Tick and flea                                    d. Lobster and centipede
                                        e. A radio and a tv, if it was kind of old...

 

_______17. Which would have kidneys?

                        a. Earthworm & sunfish                         b. Starfish & crayfish
                        c. Clam & mouse                                  d. Frog & cricket
                                        e. As long as I don’t have to eat them...

 

_______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. What is the characteristic layout of the chelicerates?

 

 

2. What are the two most likely ecosystems that pre-adapted animals for life on land?

 

 

3. Give two examples, from different phyla, of animals that exude poisons to prevent themselves from being eaten.

 

 

4. What is the basic purpose of an osteichthyan swim bladder?

 

 

5. What are two internal systems that show metamerism in annelids?

 

 

6. What are the two different types of purposes for which chromatophores are used?

 

 

7. Briefly explain the theoretical significance of the trochophore larva.

 

 

8. Name two characteristic features found only in Echinoderms.

 

 

9. Sea cucumbers have a feature found in no other animal group. What is it?

 

 

10a. In what group would you find a radula?

 

10b. What is a radula?

 

11. Give two sets of differences between

LIZARDS

SNAKES

  

 

 

 

12. Give the two evolutionary rationales for indirect development in insects.

 

 

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

 

 

14. What are the two subgroups of chondrichthyes?

 

 

15. Name two phyla characterized by closed circulatory systems.

 

 

16. 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. What are six groups of modern insects? These would be orders of insects. Don’t include a group that is part of another of your listed groups

 

 

 

 

 

 

2. What are three fairly distinctive traits found in insects but in very few other Arthropods?

  

 

 

 

 

 

3. Give three major challenges facing vertebrates in adapting to terrestrial environments, and for each challenge, give an example of a vertebrate adaptation to that challenge.

  

 

 

 

 

 

4. What are six major groups (Phylum or Class-level) that are considered to be terrestrial?

  

 

 

 

5. List six specific features found in both Arthropods and vertebrate Chordates.

 

 

 

 

 

 

 

 

 

6. What are three unique features found in Chordates (both vertebrate and invertebrate chordates) but in no other major animal phylum?

 

 

 

 

 

 

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

  

 

 

 

 

 

8. Give three sets of distinctive differences between:

AMPHIBIANS

REPTILES

  

 

 

 

 

 

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.

Why are chitons and some other primitive mollusks important to evolutionary biologists? Three Points.

 

 

How do many social squids communicate? Three Points.

 

 

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

 

 

This should be simple - why are echinoderms and chordates linked together on the animal "tree?" Three Points.

 

 

What is a brood parasite? Three Points.

 

 

 

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

 

 

 

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

 

 

 

What basic body form types can be found in multiple, largely unrelated groups? Three Points Each.

 

 


 
     

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