BI 173 - Fourth Exam - 2006

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 are in the same phylum?

                    a. Roundworms and earthworms                     b. Tapeworms and earthworms
                    c. Roundworms and flukes                              d. Tapeworms and flukes
                                        e. Squiggly worms and slippery worms

 

_______ 2. Many vegetarians believe that humans are

                    a. Facultative meat-eaters                     b. Not terrestrial            c. Obligate meat-eaters
                    d. Evolving new digestive abilities                    e. Generally annoying

 

_______ 3. Which is a jawless fish?

                    a. Sting ray                     b. Goldfish                     c. Lamprey                      d. Lungfish
                                        e. The one who leaves phone messages you can’t understand

 

_______ 4. What critical limitation helps define something as planktonic?

                    a. Can’t deal with fresh water                     b. Require plant-based food chain
                    c. Must be single-celled                              d. Not strong swimmers
                                                e. Have very low self-esteem

 

_______5. The trochophore larva is considered significant because it

                    a. Is unicellular but gives rise to multicellular animals
                    b. Is found in several different animal phyla
                    c. Has rudimentary metamerism
                    d. Is responsible for the widespread dispersal of sessile species
                    e. Has not one, but two confusing consonant sounds

 

_______6. The tetrapods is a collective term for

                    a. Terrestrial vertebrates                     b. All vertebrates                     c. All terrestrial animals
                    d. All non-worm types                e. All download-driven digital musical devices

 

_______7. 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

 

_______8. A sea squirt is most closely related to a

                    a. Clam             b. Salamander             c. Sea Cucumber            d. Trematode
                                                    e. Swimming pool "accident"

 

_______9. Which should have hearts with chambers?

                    a. Crow and catfish                     b. Bee and spider                    c. Mouse and earthworm
                    d. Shark and starfish            e. Umm, could I have a different question please-?

 

_______10. A major difference between the scales of reptiles and fish -

                    a. Connection to the skeleton                      b. Ability to waterproof
                    c. Origin in skin layer                                 d. All of these
                                        e. They are not in any way musical

 

_______11. What is a major reason why cestodes are not considered metameric?

                    a. Proglottids are all the same                      b. No digestive system
                    c. No circulatory system                             d. No specialized posterior segment
                                                e. No one knows what it means

 

_______12. A radula is a

                    a. Gill cover                     b. Mollusk mouthpart                    c. Mouthpart in an arthropod
                    d. Part of an early embryo                e. Some sort of exotic salad ingredient

 

_______13. Two animals with distinctly closed circulatory systems:

                    a. Earthworm and snake                                           b. Starfish and butterfly
                    c. Earthworm and starfish                                         d. Butterfly and snake
                                                e. The ones wrapped in duct tape

 

_______14. A feature found only in the mammals

                    a. Insulating body covering                     b. Heart with four chambers
                    c. Tooth variety in each individual           d. Special care devoted to the young
                        e. Impression that they’re better than all the other groups

 

_______15. The major difference between insect flight systems is

                    a. Involvement of the legs
                    b. Whether the head or thoracic ganglia are involved
                    c. How the muscles are attached
                    d. During what stage of the life cycle the wings develop
                    e. Whether they’re allowed to wear a jaunty cap

 

_______16. Which is technically considered a foot?

                    a. Sunfish fin                     b. Insect wing                     c. Octopus tentacles
                    d. Urchin spine                                         e. 12 inches

 

_______17. A lobster would be most closely related to a

                    a. Scorpion             b. Shrimp             c. Dragonfly             d. Horseshoe crab
                                        e. Would you want to be related to a lobster?

 

_______18. Two structures that are in a way adaptations to the same problem:

                    a. Tube feet & tracheal system                     b. One-way gut and cuticle
                    c. Radula & malpighian tubules                     d. Cartilage skeleton & swim bladder
                                        e. My brain reading this and one particular finger...

 

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 are two characteristics of rotifers?
 

 
2. Give two sets of differences in the features of:

DIPLOPODS / Millipedes

CHILOPODS / Centipedes
 

 
 

 
3. For the two groups of cartilage fish, give the group and for each the type of airborne flight they somewhat duplicate.
 

 
4. Give two different general types of insect mouthparts.
 

 
5. What specific detail determines that snails are intermediate hosts for digenetic trematodes?

 

 
6. Give the number and type of different appendages typically found on the insect thorax.
 

 
7. The calcification of parts that eventually led to bones probably hardened what two types of structures first?
 

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

 
9. Give the three forms that a typical insect with indirect development goes through, IN ORDER.
 

 
10. What are two characteristics of the echinoderms that are found in no other major phyla?
 

 
11. What are two different uses for the mantle cavity of mollusks?
 

 
12. Two of the three major subgroups of mammals:
 

 
13. For biramous appendages -
What group
has them?		 What
are
they?
14. What is the significance of the onychophorans?

 

 
15. Metamorphosis is a common feature in what two class-level groups?
 

 
16. Polymorphism -

What is it?

 Where is it
most likely
to be found?

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 different kinds of structures that would show repeating patterns in annelid metameres?
 

 
 

 
2. The three types of appendages commonly found in chelicerates:
 

 
3. Give three animal phyla or classes that are considered filter feeders, but are not closely related to each other.
 

 
4. Give six different major subgroups of the modern insects.
 

 
 

 
5. For three different types of nematodes, give the species, subgroup, or common name and then one feature for each that makes them unusual, even compared to other nematodes.
 

 
 

 
 

 

6. Give three sets of distinctively different characteristics between -

AMPHIBIANS

REPTILES



 

  
 

 
 

 
7. For the arthropods:

3 features also characteristic of annelids

3 characteristics not found in annelids
 

 
 

 
 

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

 
 

 

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

 
 

 
 

 

 

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.

What does it mean: hookworms are generally species-specific. Three Points.

 

What is the best-known local filarial worm? Three Points.

 

The octopus seems quite intelligent, but seems to lack a feature commonly associated with intelligence. What is that feature? Three Points.

 

When a scorpion attacks another arthropod, it "feels" for something before stinging the prey. What is it feeling for? Three Points.

 

Give one major feature that separates the spiders from the harvestmen/daddy longlegs. Three Points.

 

What subgroup do barnacles belong to? Three Points.

 

Give a reason not related to exoskeleton weight which would prevent the existence of giant movie-monster-type insects. Three Points.

 

 

There might be no land vertebrates if what group of organisms had been able to accomplish what adaptation? Three Points.

 

 

For Three Points each, what traits specific to birds are very likely to be ancestral?

 

 

 

Large-brained, non-human mammals may be using their extra brains not for intelligence, but to do what? Three Points.


  
     

 

 

 

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