Zoology Chapter 9 Review
Student: ___________________________________________________________________________
1. Which statement most closely represents the diversity of animal patterns resulting from the Cambrian
time period?
A. The Cambrian saw the first animal ancestor; all animal architecture dates back to these fossils.
B. About 34 phyla evolved by the end of the Cambrian and there are now perhaps 100 phyla that have
radiated from them.
C. About 100 phyla evolved by the end of the Cambrian and there are now about 34 surviving animal
phyla.
D. Through the Cambrian, only non-animal ancestors existed, but after that time nearly 100 phyla
evolved.
2. A blastula develops into which state as the gut cavity develops?
A. It remains in the blastula stage.
B. gastrula
C. acoelomate
D. pseudocoelomate
3. Which of these is an example of protoplasmic grade of organization?
A. a hydra
B. an amoeba
C. an earthworm
D. an insect
4. Which of the following is an example of tissue-organ grade of organization?
A. a flatworm
B. a jellyfish
C. a colonial protozoan, such as Volvox
D. a sponge
5. Which gives the correct sequence of increasing organizational complexity?
A. Organ, tissue, cell, organ system, organism
B. Cell, organ, organ system, tissue, organism
C. Cell, tissue, organ, organ system, organism
D. Organism, tissue, cell, organ system, organ
6. As an animal increases in size
A. body length increases in direct proportion to body volume.
B. body length increases more rapidly than body volume.
C. body length increases more slowly than body volume.
D. All of the choices are correct.
7. Which of the following represent(s) a consequence of surface-area-to-volume ratio?
A. When both a large and small bird of the same species hit a microwave tower while migrating at
night, the small bird is more likely to die from loss of heat before it can recover from the mild trauma
B. A cup of tea poured from a large teapot cools off faster than the larger amount of tea left in the
teapot
C. An amoeba needs no gills or lungs, an amphibian needs some small gills or lungs, but a horse needs
substantial lung surface
D. All of the choices represent factors directly related to the surface-area-to-volume ratio
8. The two major fluid compartments of the metazoan body are
A. the extracellular space and the interstitial space.
B. the extracellular space and the intracellular space.
C. the extracellular space and the intercellular space.
D. None of the choices are correct.
9. The study of tissue types and functions is
A. physiology.
B. histology.
C. molecular biology.
D. entomology.
10. Which type of tissue lines body cavities and covers body surfaces?
A. Muscle tissue
B. Nervous tissue
C. Epithelial tissue
D. Connective tissue
11. Epithelial tissue is classified into
A. muscle and nervous tissues.
B. loose and tight connective tissues.
C. simple and stratified epithelia.
D. primary and secondary epithelia.
12. Which tissue includes the epidermis?
A. Muscle tissue
B. Nervous tissue
C. Epithelial tissue
D. Connective tissue
13. Blood is an example of a tissue known as
A. connective.
B. circulatory.
C. epithelial.
D. muscular.
14. Which tissue includes bone and cartilage?
A. Muscle tissue
B. Nervous tissue
C. Epithelial tissue
D. Connective tissue
15. Which of the following is NOT a function of connective tissue?
A. Line body surfaces and cavities
B. Bind and support body parts
C. Store energy (e.g., fat)
D. Produce blood cells
16. Which of the following cells has multiple nuclei?
A. Smooth muscle
B. Adipose tissue
C. Striated muscle
D. Bone
17. Nervous tissue is made of
A. only neurons.
B. only neuroglia.
C. brain cells and neurons.
D. neurons and neuroglia.
18. Which tissue receives, interprets, and produces a response to stimuli?
A. Muscle tissue
B. Nervous tissue
C. Epithelial tissue
D. Connective tissue
19. Animals with bilateral symmetry
A. can be divided into similar halves by any plane through the longitudinal axis.
B. are usually very slow-moving organisms.
C. are relatively simple in structure.
D. are better adapted for directed forward movement than radially symmetrical organisms.
20. Flatworms have
A. radial symmetry.
B. a tube-within-a-tube body plan.
C. an eucoelomate body plan.
D. None of the choices are correct.
21. Vertebrates have
A. bilateral symmetry.
B. eucoelomate body plan.
C. tube-within-a-tube body plan.
D. All of the choices are correct.
22. A basketball would represent
A. bilateral symmetry.
B. radial symmetry.
C. spherical symmetry.
D. total lack of symmetry since it is not living.
23. A view of an x-ray looking straight at a person's lung and heart would represent a view of the
A. sagittal plane.
B. transverse plane.
C. frontal plane.
D. lateral plane.
24. A slice through the head that shows a sideways view of the nasal and throat passages would be on a
A. sagittal plane.
B. transverse plane.
C. pectoral plane.
D. frontal plane.
25. Your nose would be considered
A. medial, anterior, and dorsal.
B. medial, anterior, and ventral.
C. medial, posterior, and ventral.
D. lateral, anterior, and ventral.
26. Your fingers would be considered
A. anterior and distal.
B. medial and distal.
C. lateral and distal.
D. posterior and distal.
27. Animals that have one solid mass of tissue rather than tissues and organs nestled inside a body cavity are
A. acoelomate.
B. eucoelomate.
C. pseudocoelomate.
D. coelomate.
28. Animals with organs in a cavity that is not completely lined with mesoderm are
A. acoelomate.
B. eucoelomate.
C. pseudocoelomate.
D. coelomate.
29. Animals with organs in a cavity that is completely lined with mesoderm are
A. acoelomate.
B. bicoelomate.
C. pseudocoelomate.
D. eucoelomate.
30. An enterocoelous animal has
A. a true coelom.
B. a pseudocoelom.
C. no coelom.
D. a false coelom.
31. Diploblastic organisms lack which germ layer(s)?
A. Endoderm
B. Ectoderm
C. Mesoderm
D. Mesoderm and endoderm
32. The grouping of single cells into definite patterns or layers represents the level of organization called the
tissue grade organization__.
33. An animal that possesses an ectoderm, mesoderm and endoderm is called triploblastic_.
34. Differentiation of a head end (found mainly in bilaterally symmetrical animals) is called cephalization.
35. Similar cells grouped together to perform a common function are called a tissue.
36. The study of tissues is called histology
37. The tissue type composed of fibers and fixed and wandering cells suspended in a fluid matrix is
loose connective tissue.
38. _collagen___ is a fibrous protein found in connective tissue, and probably the most abundant protein in
the animal kingdom.
39. A variety of nonnervous cells that insulate neurons and serve various supportive functions is Neuroglia
40. In animal anatomy, the term that designates the back side of an animal is Dorsal
41. In animal anatomy, distal parts are farther from the middle of the body than are proximal parts.
42. A sagittal plane divides an animal into right and left halves.
43. The chest region, or the region of the body supported by the front legs is called pectoral
44.
The type of body cavity that represents a persistent blastocoel is the pseudocoelom
45.
The eucoelomate bilateria are those animals that possess a true coelom or body cavity lined with
mesodermal peritoneum.
46. Serial repetition of similar body segments along the longitudinal axis of the body is called metamerism
47. True metamerism (segmentation) is found only in Annelida, Arthropoda, and chordata