BI 173 - Fourth Exam - 2003

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 characteristically have cuticles?

                            a. Platyhelminths and mollusks                         b. Chordates and arthropods
                       c. Annelids and nematodes                             d. Arthropods and echinoderms
                                                                    e. Ack! I’m doomed!

 

_______ 2. Which would have open circulatory systems?

                        a. Fish and earthworm                             b. Centipede and scorpion
                        c. Starfish and lizard                                d. Frog and Trematode
                                    e. Most characters from the Friday the 13th movies.

 

_______ 3. In vertebrates, which almost certainly evolved first?

                        a. Teeth                                 b. Jaws                         c. Backbone
                            d. Three-chambered heart                                     e. Sarcasm

 

_______ 4. Which would be a feature that a tick would not have?

                        a. Antennae                     b. Pedipalps                     c. Exoskeleton
                        d. Ventral nerve cords                     e. A tv show - any more...

 

_______5. The trochophore larva is considered significant because it

                       a. Undergoes metamorphosis
                            b. Links invertebrate and vertebrate chordates
                            c. Changes symmetry types as it develops
                            d. Links several phyla that seem otherwise unrelated
                            e. No one wants to be up to their buns in trochophores, no sir!

 

_______6. Which groups are considered all free-living?

                        a. Cestodes and nematodes                     b. Turbellarians and rotifers
                        c. Leeches and insects                            d. Crustaceans and lice
                                                                e. The party animals

 

_______7. What the water vascular system does, primarily, is done in other groups by

                        a. Excretory systems                            b. Respiratory systems
                        c. Digestive systems                             d. Muscle systems
                                                            e. Government contracts

 

_______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. Polymorphism is a characteristic found in

                        a. Sea cucumbers                 b. Tapeworms                 c. Social insects
                        d. Toads                                         e. Hungry parrots

 

_______10. Which groups are almost entirely benthic?

                        a. Crustaceans and centipedes                 b. Trematodes and cephalopods
                        c. Tunicates and lancelets                        d. Rotifers and echinoderms
                                            e. They benthic? I’m really thorry...

 

_______11. The onychophorans have traits that are "between"

                        a. Annelids and arthropods                     b. Lancelets and fish
                            c. Echinoderms and chordates                 d. Mandibulates and chelicerates
                                                                e. Icky and squicky

 

_______12. Which two would have a largely hydrostatic skeleton?

                        a. Millipede and leech                             b. Snail and sea squirt
                            c. Roundworm and earthworm                d. Spider and starfish
                                e. Two animals who decided to by economy characteristics

 

_______13. Which group has virtually no marine forms?

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

 

_______14. A swim bladder’s main advantage is that it

                       a. Conserves energy
                       b. Improves respiration
                            c. Is used as a jet propulsion system
                            d. Increases push through the water
                            e. Helps on those long commutes with no rest rooms available

 

_______15. Cestodes present the greatest threat to human health in what form?

                        a. Sexually-reproducing adult                 b. Asexually-reproducing larva
                        c. Egg                         d. Pupa                                e. Whichever one can levy taxes

 

_______16. Which adaptation is found in all of the full-time land vertebrates?

                        a. Waterproof eggs                            b. Uric acid excretion
                            c. Internal fertilization                         d. Nonglandular skin
                                            e. They all own boats anyway

 

_______17. The feature that clearly links starfish with sunfish is

                            a. Symmetry types                             b. Early embryo development
                            c. Locomotion systems                     d. All of these
                                        e. The naming after heavenly bodies?

 

_______18. Modern winged insects use what sort of flight drive system?

                        a. Indirect                     b. Direct                     c. Tracheal
                        d. Malpighian                         e. Power steering

 

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. Which two phyla have a significant number of monoecious species?

 

 

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

 

 

3. Two different groups (class or larger) of animals in which cutaneous respiration is common.

 

 

4. What are two characteristics of Echinoderms that are unique or fairly unusual?

 

 

5. Name two of the stages that make up the life cycle of indirect development in insects.

 

 

6. For a mantle cavity -

Phylum for
which it is a
characteristic -

One possible
function -

7. The major subgroups of modern reptiles each include pairs of types - name two subgroups, both types each

 

AND

 

 

AND

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

 

 

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

 

 

10. A radula -

What
is
it?

What
phylum
has them?

11. Two entirely different uses for chromatophores -

 

 

12. What sort of application may come from the study of acanthocephalans?

 

 

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

 

 

14. Name two different groups or major subgroups that typically excrete uric acid.

 

 

15. Define facultative.

 

 

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

 

 

 

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. In Annelids -

3 Features That Repeat Metamerically

3 Features That Do Not Repeat Metamerically

 

 

 

 

 

 

 

2. For three different types of nematodes, give the type of nematode and then give one unique or unusual fact about that particular type

 

 

 

 

 

 

3. List three characteristics that are distinctly traits of the entire Chordate Phylum.

 

 

 

 

 

 

4. What are six different subgroups of modern insects? Use common names for the orders, but don’t use different insects from a single order in multiple boxes.

 

 

 

 

5. Give three subgroups each (Classes or larger, but no classes inside phyla you’ve used) that can be generally described with the terms -

FILTER

FEEDERS

 

MARINE

 

 

6. For three major subgroups of Mollusks, give the official group name and then describe the form that the foot takes in that group.

 

 

 

 

 

 

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. For three adaptations of birds that relate to flight, name the adaptation and then explain how it helps birds to fly.

 

 

 

 

 

 

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.

Which type of disease caused by trematodes can be caught locally? Three Points.

 

 

Which type of mollusk displays annelid characteristics? Three Points.

 

 

What type of animal is the official New York State fossil? Three Points.

 

 

What do most terrestrial crustaceans look like? Three Points.

 

 

What two structures are thought to have possibly been the starting structures that evolved into vertebrate lungs? Three Points Each.

 

 

What "correction" had to be made to assembled dinosaur skeletons about 20 years ago? Three Points.

 

 

During the age of dinosaurs, large dinosaur-like animals flew and swum, but were not dinosaurs. What reptilian subgroup did they belong to? Three Points.

 

 

Why are some reptile tongues forked? Three Points

 

 

Give one plausible reason why there are no phyla that are completely terrestrial. Three Points.

 

 

For Two Points each, what features now thought to be particular to birds do they probably share with their dinosaur ancestors?

 


  
     

 

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