Fourth Exam 2002

 

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. Amphibians can be compared to

_______             a. Reptiles due to their shared need for moist environments
                           b. Fish in that they spend their whole lives with gills
                           c. Roundworms because species can be found everywhere
                           d. Ferns because of the need of open water for reproduction
                           e. Any one of these other groups bouncing in my confused head

 

                         2. Cnidarians have a feature no other group has:

_______             a. Scolex                     b. Tentacles                    c. Stinging cells 
                           d. Jelly-like layer                    e. More consonants than they can really use

 

                         3. Metamorphosis is something found in

_______             a. Mollusks & reptiles                             b. Insects & amphibians
                           c. Echinoderms & fish                            d. Flatworms & roundworms
                                                  e. A fairly expensive dictionary

 

                            4. The main purpose of a proglottid is

_______             a. Sexual reproduction                                           b. Attachment
                           c. Asexual reproduction                                         d. Swimming
                                       e. To make money an amateur glottid can’t

 

                            5. Which is caused by a species of protozoan?

_______             a. Schistosomiasis                                     b. Creeping eruption
                           c. Trichinosis                                            d. Malaria
                                                      e. Protozoniosisisisisis

 

                            6. Which two features almost always are found together?

                           a. Bilateral symmetry and cephalization
                           b. Serial homology and radial symmetry
_______             c. Male systems and females systems
                           d. Legs and backbones
                           e. Relationships and confusion

 

                            7. Which is in the same phylum as humans?

_______             a. Squid             b. Sea squirt            c. Centipede             d. Sea urchin
                                                                  e. Uh ohhhh....

 

                            8. A water vascular system is a feature found in

_______             a. Starfish             b. Snails             c. Fish            d. Crayfish             e. Fountains

 

                            9. Which would be sessile?

_______             a. Medusa & starfish                                 b. Pinworm & tapeworm
                           c. Sponge & clam                                     d. Snails & millipedes
                                                        e. We need to know their religion?

 

                            10. Leeches are a type of

_______             a. Flatworm                 b. Roundworm                 c. Segmented worm
                           d. Mollusk                                         e. Lawyer

 

                            11. Most of the adaptations found in birds that relate to flight also involve

_______             a. Reproduction & migration                     b. Weight & metabolic rate
                           c. Vision & muscles                                  d. Body covering & wastes
                                           e. Lots and lots of envy from the other critters

 

                            12. A mantle is a feature found in the group that includes

_______             a. Lizards                     b. Earthworms                    c. Insects 
                           d. Snails                                            e. Victorian houses

 

 

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 different groups of animals that produce poisons purely as a defense against predators?

 

 

2. For tapeworms, briefly explain why

-Larvae can be

very dangerous

to a host...

-Adults usually

are not very

harmful to the host...

3. What are the two main subgroups of the cartilage fish?

 

 

4. What are two different features that are different in the various groups of algae?

 

 

5. Which two features are the main basis for dividing the major subgroups of Arthropods?

 

 

6. What is the main reason that some animals produce uric acid as a waste product?

 

 

7. What are two of the surviving reptile subgroups? They all have pairs of members.


AND

 

AND

8. Why was the evolutionary development of a tube digestive system a good thing?

 

 

9. What are two features found in segmented worms and arthropods?

 

 

10. Give the functions of -

Macronucleus-

 

 

Micronucleus-

11a. Collar cells (choanocytes) - found in what kind of animal?

 

 

11b. What is their function?

12. What are the two Cnidarian body types?

 

 

13. Briefly explain what, by definition, makes a host an intermediate host.

 

 

 

14. What are two different behaviors done by insect colonies that usually would be considered something done only by humans?

 

 

15. In what way is an echinoderm endoskeleton unusual?

 

 

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 two advantages that each has over the other -

EXOSKELETON

ENDOSKELETON

 

 

 

 

 

 

2. For alternation of generations -

Definition -

One reason why a species does this-

Another reason why a species does this-

 

 

 

 

Example for this reason (species or group)

 

 

Example for this reason (species or group)

3. For four different types of roundworm, tell in the first column which roundworm it is, then in the second column give one distinct fact for that type of roundworm.

 

 

 

 

 

 

 

 

 

4. For the two main "trunks" of animal classification, give the names that go with each and then two sets of differences between the groups.

Names -

 

 

 

 

 

 

 

5. Give the three major subgroups of mollusks, and for each describe how the foot functions in that subgroup.

 

 

 

 

 

 

 

6. Give three sets of differences between -

INVERTEBRATE NERVE CORD

VERTEBRATE NERVE CORD

  

 

 

 

 

 

 

LINK FOR 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.

Why is beaver fever called that? Three Points.

 

 

What sorts of odd abilities do slime molds have? Three Points each.

 

 

When people get swimmer’s itch - What type of organism causes it? Three Points. What type of organism is the actual host?  Three Points.

 

 

 

How do sheep tapeworms help make sure that their larvae get into sheep hosts? Four Points.

 

 

 

What are the advantages of compound eyes over single-lens eyes? Three Points each.

 

 

 

What do sea cucumbers do that no other animals do? Three Points.

 

 

 

There are some basic "designs" (more than just symmetry) that show up in many animal groups that aren’t closely related. For Three Points each, describe these body layouts.

 

 

 

Make a brief case for any major group (must be a phylum or larger, so if you’re thinking of a smaller group give their phylum) as the most successful group of living things. Five Points.

 
 
 
     

 

 

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