BIOLOGY 1214
EXAM II

DO NOT WRITE ON THIS EXAM

1.   ________ Is the largest of the phyla in kingdom Animalia; its members are characterized by jointed appendages and a chitonous exoskeleton.
      a. Hemichordata
      b. Mollusca
      c. Chordata
      d. Arthropoda

2. The common pill bug (roly poly) belongs to which subphylum?
     a. Arthropoda
     b. Gastropoda
     c. Crustacea
     d. Echinodermata

3. Appendages with no branching are considered:
     a. Biramous
     b. Uniramous
     c. Foliose
     d. Linear

4. In the class Insecta, the thorax is composed of three regions. The region containing the second pair of walking legs and first pair of wings is called the _______.
     a. Mesothorax
     b. Prothorax
     c.   Metathorax
     d. Ocelli

5. What is the term used to identify the “holes” found on the abdomen of a grasshopper? These structures are used to bring air into the body.
     a. Antennae
     b. Tympanum
     c. Spiracles
     d. Oviduct

6. The "walking legs" of the organisms within class Crustacea are more commonly called the     ______.
      a. Chelipeds
      b. Maxillipeds
      c. Pleopods
      d. Pereiopods

7.   Crayfish anatomy: On an antennule, the outer or lateral branch is called the ____, while the inner branch is called the _______.
      a. Endopodite, exopodite
      b. Carapace, cephalothorax
      c. Exopodite, endopodite
      d. Biramous, Uniramous

8. Which of the following classes does not belong in the Phylum Mollusca?
     a. Ophiuroidea
     b. Scaphopoda
     c. Bivalvia
     d. Polyplacophora

9. The phylum Mollusca is characterized by the reduction of the coelom into three cavities. Which of the following is not one of the cavity types?
a. Hemocoel
b. Cephalothorax
c. Gonocoel
d. Pericardium

10. "A foot modified into a set of arm-like structures" would be a key feature identifying which class of Molluscs?
     a. Gastropoda
     b. Polyplacophora
     c. Scaphopoda
     d. Cephalopoda

11. What part of a clam’s “body” is attatched to the shell via the pallial line, and functions in the secretion of calcareous material to make the shell?
     a. Mantle
     b. Umbo
     c. Growth lines
     d. Periostracum

12. A single shell is the key feature for which class of Molluscs?
      a. Bivalvia
      b. Gastropoda
      c. Scaphopoda
      d. Cephalopoda

13. An internal skeleton composed of calcareous plates frequently bearing spines would characterize which of the following Phyla?
     a. Echinodermata
     b. Hemichordata
     c. Arthropoda
     d. Crinoidea
14. Which subphylum of the Chordata contains organisms that are not segmented?
     a. Cephalochordata
     b. Hemichordata
     c. Urochordata
     d. Holothuroidea

15. A sea star feeds by everting the _______ stomach through the mouth.
     a. Pyloric
     b. Cardiac

16. What is the function of the pyloric caeca?
     a. Used in reproduction
     b. Aid in movement
     c. Primary decision making organ
     d. Produce digestive enzymes

17. The most primitive class of Echinoderms is the ______.
     a. Echinoidea
     b. Crinoidea
     c. Holothuroidea
     d. Asteroidea

18. Which of the following structures is not considered part of the water vascular system in the sea star?
a. Madreporite
b. Pedicellariae
c. Stone canal
d. Ring canal

19. Which of the tissue types cover body surfaces, line body cavities and form secretory structures of glands?
     a. Connective
     b. Muscle
     c. Neural
     d. Epithelial

20. Which of the following features is not used to separate the Vertebrates from other Chordates?
      a. Cephalization
      b. Closed circulatory system
      c. Neural crest
      d. Dorsal hollow nerve cord

21. Which of the following is not a type of embryonic tissue?
     a. Epithelium
     b. Ectoderm
     c. Mesoderm
     d. Endoderm

22. ______ Muscle tissue has striations, many nuclei per cell and is controlled by voluntary reactions, whereas _________ muscle tissue has only one nucleus per cell, no striations and is controlled by involuntary reactions.
     a. Cardiac, skeletal
     b. Smooth, skeletal
     c. Skeletal, smooth
     d. Smooth, cardiac

23.   Epithelial tissue with cube shaped cells and layers would be considered which of the following types?
     a. Stratified cuboidal epithelial tissue
     b. Stratified squamous epithelial tissue
     c. Simple cuboidal epithelial tissue
     d. Stratified columnar epithelial tissue

24. Blood would be an example of which of the Connective tissue subcategories?
     a. Hard Crystalline matrix
     b. Jelly to semisolid matrix
     c. Rubbery matrix
     d. Fluid matrix

25. Which class of Echinoderms has a solid internal skeleton?
     a. Ophiuroidea
     b. Echinoidea
     c. Asteroidea
     d. Crinoidea

26. _______Are connected to the tube feet in starfish; they push water into the feet, causing them to extend.
     a. Radial canals
     b. Pedicellariae
     c. Ampullae
     d. Madreporite

27. All classes within the phylum Mollusca have open circulatory systems.
a. True
b. False

28. Which of the following is not one of the four characteristics present at some point in the life cycle of Chordates?
a. Notochord
b. Pharyngeal gill slits
c. Fin rays
d. Post-anal tail

29. The fused head and thorax of the crayfish is given a specific name. What is that name?
a. Cephalothorax
b. Uropod
c. Maxilliped
d. Cheliped

30. The _________ are structures found on both valves of the clam and function in locking the two halves together.
a. Dorsal plates
b. Adductor muscles
c. Hinge teeth
d. Nacreous layer

31. Fibroelastic connective tissue would be found in which of the following categories?
     a. Fluid matrix
     b. Hard to crystalline matrix
     c. Jelly to semisolid matrix
     d. Rubbery matrix

32. Tissue in which the cells change shape when either stretched or contracted is called ______ epithelium.
     a. Pseudostratified
     b. Transitional
     c. Stratified
     d. Complicated

33. The simple eyes of the grasshopper are also called ________.
a. Ocelli
b. Telson
c. Compound
d. Tergum