Name:________________________

Bio101            Exam 4           November 24, 2008              

You must turn in both this exam and your answer sheet

 

On your answer sheet make sure you include these three things:

 

1.      Write your name on the front of the answer sheet

2.      Fill in your Last Name and First Name in the bubbles on the back of the answer sheet.

3.      Fill in your student ID in the bubbles under “Identification number”.

 

 


1.       The group of animals that lacks true tissues is the:

a.       Comb jellies                          b. Protista                        c. Sponges                   d. Algae

 

  1. Which is NOT one of the primary germ layers or tissue types that arise during early development of animals?
    1. Endoderm                             b. Ectoderm                    c. Hypoderm              d. Mesoderm

 

3.       An animal that has radial symmetry is:

a.       Segmented worm                 b. Comb jellies               c. Flatworm                 d. Both a & c

 

4.       The evolutionary development of cephalization was important for:

a.       Improving the intelligence of animals

b.       The transition from water to land

c.        Concentration of sensory receptors and sensory systems in the anterior part of the animal

d.       Being able to manipulate the external environment

 

5.       A group of animals that has a body cavity not lined with mesoderm (a pseudoceolomate) is the:

a.       Round worms                       b. Mollusks                     c. Segmented worms                 d. Jelly fish

 

6.       Animals that posses body cavities evolved along two major lineages characterized by differences clearly visible during development.  These groups contain the majority of animal species and consist of:

a.       Coelomates/Acoelomates                                           c. Segmented/Non-segmented

b.       Protostomes/Deuterostomes                                       d. Ectoderm/Endoderm

 

7.       A group of animals that has deuterostome development of the coelom is the:

a.       Echinoderms (starfish)                                                 c. Tunicates (sea squirts)

b.       Mammals                                                                       d. All of these

 

8.       Spicules are structural components found among:

a.       Sponges                                 b. Jelly fish                      c. Tunicates                                d. Segmented worms

 

9.       Specialized stinging cells used for defense and prey capture in jelly fish are called:

a.       Medusa                                 b. Spicules                       c. Nematocysts                          d. Stingers

 

10.    Animals with radial symmetry that produce large feeding nets that consist of sticky tentacles are:

a.       Sponges                                 b. Jelly fish                      c. Comb jellies            d. Round worms

 

11.    Well developed organ systems, including a digestive system, excretory system and reproductive system first showed up in the:

a.       Jelly fish                                b. Flatworms                   c. Mollusks                  d. Arthropods

 

12.    A flatworm that is basically a group of hooks used to attach to the intestinal wall of vertebrates and cells that absorb predigested food is the:

a.       Flukes                                    b. Tapeworms                c. Leeches                   d. Ribbon worms

 

13.    The group of animals associated with a mantle are the:

a.       Flatworms                             b. Arthropods                 c. Mollusks                  d. Segmented worms

 

14.    The tongue-like rasping structure used for feeding in mollusks is called the:

a.       Nematocyst                          b. Spicules                       c. Radula                     d. Mantle

 

15.    Bivalve mollusks often burrow into the sand or mud and generate a water current to supply food and remove wastes through the use of a:

a.       Fan                                         b. Siphon                         c. Pump                       d. Turbine

 

16.    Cephalopods are a particularly advanced group of mollusks that have well developed sensory systems, exhibit parental care and includes the:

a.       Octopus and squid              b. Bony Fishes                c. Flying insects          d. Sharks

 

17.    Segmentation was important for:

a.       Development of the head and tail                             c. Specialization of body parts

b.       Centralized nervous systems                                       d. Variation in feeding method

 

18.    Earthworms are beneficial to humans:

a.       By containing compounds that will likely cure cancer.

b.       By aerating soil and decomposing organic matter.

c.        As a major source of food in some parts of the world.

d.       All of these

 

19.    Leeches feed by:

a.       Making an incision in the skin of their hosts with razor sharp jaws

b.       Secreting an anesthetic so their host cannot feel them feeding

c.        Secreting an anti-coagulate so that the blood of their host does not clot

d.       All of these

 

20.     Jointed appendages are one of the major characteristics of arthropods and have contributed to the success of arthropods through their use for purposes such as:

a.       Feeding                  b. Reproduction                   c. Locomotion                      d. All of these

 

21.    A group of animals that have become extremely successful on land because of their ability to conserve water with an advanced excretory system as well as highly developed sensory systems is:

a.       Insects                   b. Mollusks                           c. Vertebrates                       d. Both a & c

 

22.    The water vascular system is a characteristic associated with the group of animals known as:

a.       Mollusks                b. Insects                               c. Vertebrates                       d. Echinoderms

 

23.    Tube feet is a characteristic associated with the group of animals known as:

a.       Mollusks                b. Insects                               c. Vertebrates                       d. Echinoderms

 

24.    Humans are chordates that lack a tail and gills and yet are placed in the same group with fish.  The reason why this grouping is still consistent with chordate characteristics is that:

a.       Humans do occasionally have tails and gills, although only rarely

b.       Humans are among the chordates that lack these characteristics but share other characteristics

c.        Those features are present in humans during development

d.       All of these

 

25.    Although most chordates have vertebrae, there are several invertebrate chordates.  This includes:

a.       None, all chordates do indeed have vertebrae                               c. Tunicates

b.       Medusa                                                                                                 d. Both b & c

 

26.    Although most vertebrates have well developed jaws, a group of vertebrates that lacks jaws is the:

a.       Hagfish                                  b. Lancelets                    c. Echinoderms          d. All of these

 

27.    A group of vertebrates characterized by rigid fins and a unique method of osmoregulation or water and salt balance are the:

a.       Hagfish                                  b. Sharks                         c. Lampreys                                d. Bony fish

 

28.    One of the major developments that aided in invasion of land by vertebrates was:

a.       Wings                                                     c. Reduction in the number of cranial bones

b.       Amniotic egg                                        d. A calcium carbonate exoskeleton

 

29.    Which phylum does NOT contain worm-like organism?

a.       Annelids                                b. Mollusks                           c. Sponges             d. Both b & c

 

30.    Which is NOT characteristic of insects?

a.       Social behavior                                    c. Well developed respiratory structures including gills

b.       Three major body parts                     d. Well developed excretory organs called Malphigian tubules

 

31.    Rows of fused cilia used partly for locomotion is characteristic of:

a.       Sponges                                 b. Mollusks           c. Comb jellies                      d. Flatworms

 

  1. A group of mammals that lacks placental nourishment of young & lays leathery eggs:
    1. Lemurs                                  b. Marsupials        c. Monotremes                     d. Kangaroos       

 

  1. Which is NOT a mollusk?
    1. Barnacle                                b. Snail                   c. Squid                                  d. Clam 

 

  1. One of the major differences between reptiles and birds is:
    1. The presence of ancestral forms that had feathers
    2. Dry scales over all or part of the body
    3. Laying of calcium-based amniotic eggs
    4. A four chambered heart in all species

 

35.    A group of animals that has three germ layers (tissue types) during development, but lacks a body cavity:

a.       Jellyfish                                 b. Marsupials                        c.  Mollusks           d. Flatworms

 

36.    A group of animals that usually has two distinct life stages called polyp and medusa:

a.       Jellyfish                                 b. Marsupials                        c.  Mollusks           d. Flatworms

 

  1. A major reason why platyhelminthes can supply oxygen to all tissues in their bodies despite lacking respiratory and circulatory systems is that:
    1. They are flat                                                         c. They have a coelom
    2. They are highly active                                        d. They are all parasitic

 

38.    A number of the animals that we have examined this unit have representatives that are parasitic.  One characteristic that is common among most parasitic animals is:

a.       Asexual reproduction                                         c. Parasitism of only vertebrates

b.       Complex life cycles                                             d. Well developed sensory and nervous systems

 

  1. Which is a characteristic found among primates thought to reflect a relationship with a tree-living ancestor?
    1. Many offspring                    b. Little body hair                c. Tail                     d. Opposable thumb

 

40.    The group of vertebrates that contains the most species (roughly 30,000) is the:

a.       Jawless fishes                       b. Bony fishes                      c. Cartilaginous fishes         d. Birds

 

  1. The greatest array of marine invertebrates is found within the:
    1. Insects                 b. Crustaceans       c. Flatworms                         d. Mollusks

 

42.    Which of these animals is a chordate?

a.       Starfish                b. Flatworm            c. Sea cucumber                  d. None of these are chordates

 

  1. Which characteristic facilitates flight in birds?
    1. High metabolic rate                                                            c. Hollow bones with struts
    2. Large breastbone                                                                 d. All of these

 

  1. Which is an example of a marsupial?
    1. Platypus                                b. Spiny anteater                 c. Aardvark                           d. Kangaroo

 

  1. Mammals are capable of high metabolic rates and attaining a large size because of their ability to extract oxygen from air, partly due to more advance ventilation mechanisms.  A major feature of the ventilation system in mammals but is lacking in lower vertebrates is:
    1. Lungs                                                                     c. Constantly moist skin
    2. A three chambered heart                                   d. A muscular diaphragm

 

  1. Reproduction in cartilaginous fishes is similar to reproduction in much more advanced vertebrates in terms of:
    1. Internal fertilization                                            c. Placental nourishment of embryos
    2. Live birth                                                               d. All of these

 

  1. Which development was extremely important for vertebrate animals to be able to live away from water?
    1. Amniotic eggs                                                       c. Well developed kidneys
    2. Skin capable of retaining water                        d. All of these

 

  1. Which of the following is associated with segmented worms?
    1. Bristles                   b. Radula                              c. Mantle               d. Spicules

 

  1. Which of the following is associated with amphibians?
    1. Amniotic egg                                                        c. Respiration partly through the skin
    2. Four chambered heart                                        d. Both a & c

 

  1. The host of a popular children’s show in the 1970s was:
    1. Lord Polar Bear                                                   c. Mrs. Peacock
    2. Captain Kangaroo                                              d. Sharkman