Animal Diversity 8th Edition By Hickman – Test Bank

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Sample Test Animal Diversity, 8e (Hickman) Chapter 3 Animal Architecture

1) Which statement most closely represents the diversity of animal patterns resulting from the Cambrian time period?

1. A) The Cambrian saw the first animal ancestor; all animal architecture dates back to these fossils.

2. B) About 34 phyla evolved by the end of the Cambrian and there are now perhaps 100 phyla that have radiated from them.

3. C) About 100 phyla evolved by the end of the Cambrian and there are now about 34 surviving animal phyla.

4. D) Through the Cambrian, only non­animal ancestors existed, but after that time nearly 100 phyla evolved.

Answer: C Section: Introduction Topic: The Hierarchical Organization of Animal Complexity Learning Objective: Understand general concepts related to animal architecture.

Bloom’s: 1. Remember Gradable: automatic

2) A blastula develops into which state as the gut cavity develops?

1. A) It remains in the blastula stage 2. B) Gastrula 3. C) Acoelomate 4. D) Pseudocoelomate

Answer: B Section: 03.03 Topic: How Many Body Plans are There?

Learning Objective: 03.03 Explain how the body plans of protostome and deuterostome animals are produced from the embryonic germ layers and body cavities.

Bloom’s: 1. Remember Gradable: automatic 3) Which of these is an example of the cytoplasmic level of organization?

1. A) A hydra 2. B) An amoeba

3. C) An earthworm 4. D) An insect

Answer: B Section: 03.01 Topic: The Hierarchical Organization of Animal Complexity Learning Objective: Understand general concepts related to animal architecture.

Bloom’s: 1. Remember Gradable: automatic

4) Which of the following is an example of the tissue­organ level of organization?

1. A) A flatworm 2. B) A jellyfish 3. C) A colonial protozoan, such as Volvox 4. D) A sponge

Answer: A Section: 03.01 Topic: The Hierarchical Organization of Animal Complexity Learning Objective: Understand general concepts related to animal architecture.

Bloom’s: 3. Apply Gradable: automatic

5) Which gives the correct sequence of increasing organizational complexity?

1. A) Organ, tissue, cell, organ system, organism 2. B) Cell, organ, organ system, tissue, organism 3. C) Cell, tissue, organ, organ system, organism 4. D) Organism, tissue, cell, organ system, organ

Answer: C Section: 03.01 Topic: The Hierarchical Organization of Animal Complexity Learning Objective: Understand general concepts related to animal architecture.

Bloom’s: 1. Remember Gradable: automatic 6) As an animal increases in size 1. A) body length increases in direct proportion to body volume.

2. B) body length increases more rapidly than body volume.

3. C) body length increases more slowly than body volume.

4. D) All of the choices are correct.

Answer: C Section: 03.05 Topic: Complexity and Body Size Learning Objective: Understand general concepts related to animal architecture.

Bloom’s: 1. Remember

Gradable: automatic

7) Which of the following represent(s) a consequence of surface­area­to­ volume ratio?

1. 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.

2. B) A cup of tea poured from a large teapot cools off faster than the larger amount of tea left in the teapot.

3. C) An amoeba needs no gills or lungs, an amphibian needs some small gills or lungs, but a horse needs substantial lung surface.

4. D) All of the choices are correct.

Answer: D Section: 03.05 Topic: Complexity and Body Size Learning Objective: Understand general concepts related to animal architecture.

Bloom’s: 3. Apply Gradable: automatic

8) The two major fluid compartments of the metazoan body are 1. A) the extracellular space and the interstitial space.

2. B) the extracellular space and the intracellular space.

3. C) the extracellular space and the intercellular space.

4. D) None of the choices are correct.

Answer: B Section: 03.04 Topic: Components of Animal Bodies Learning Objective: 03.04 Recognize the tissues and extracellular components of the animal body.

Bloom’s: 1. Remember Gradable: automatic 9) Which of the following is NOT a correct association of the supportive material of an organism and its function?

1. A) The cuticle of an insect provides protection.

2. B) Cartilage of chordates provides stability and protection.

3. C) Loose connective tissue generally holds the body together.

4. D) Blood plasma is an important hydrostatic fluid in humans.

5. E) Bone provides stability and protection as well as a storage place for minerals.

Answer: D Section: 03.04 Topic: Components of Animal Bodies Learning Objective: 03.04 Recognize the tissues and extracellular components of the animal body.

Bloom’s: 2. Understand Gradable: automatic

10) The study of tissue types and functions is 1. A) physiology.

2. B) histology.

3. C) molecular biology.

4. D) entomology.

Answer: B Section: 03.04 Topic: Components of Animal Bodies Learning Objective: 03.04 Recognize the tissues and extracellular components of the animal body.

Bloom’s: 1. Remember Gradable: automatic

11) Which type of tissue lines body cavities and covers body surfaces?

1. A) Muscle tissue 2. B) Nervous tissue 3. C) Epithelial tissue 4. D) Connective tissue

Answer: C Section: 03.04 Topic: Components of Animal Bodies

Learning Objective: 03.04 Recognize the tissues and extracellular components of the animal body.

Bloom’s: 1. Remember Gradable: automatic 12) Epithelial tissue is classified into 1. A) muscle and nervous tissues.

2. B) loose and tight connective tissues.

3. C) simple and stratified epithelia.

4. D) primary and secondary epithelia.

Answer: C Section: 03.04 Topic: Components of Animal Bodies Learning Objective: 03.04 Recognize the tissues and extracellular components of the animal body.

Bloom’s: 1. Remember Gradable: automatic

13) Which tissue includes the epidermis?

1. A) Muscle tissue 2. B) Nervous tissue 3. C) Epithelial tissue 4. D) Connective tissue

Answer: C Section: 03.04 Topic: Components of Animal Bodies Learning Objective: 03.04 Recognize the tissues and extracellular components of the animal body.

Bloom’s: 1. Remember Gradable: automatic

14) Blood is an example of a tissue known as 1. A) connective.

2. B) circulatory.

3. C) epithelial.

4. D) muscular.

Answer: A Section: 03.04 Topic: Components of Animal Bodies Learning Objective: 03.04 Recognize the tissues and extracellular components of the animal body.

Bloom’s: 1. Remember Gradable: automatic 15) Which tissue includes bone and cartilage?

1. A) Muscle tissue 2. B) Nervous tissue

3. C) Epithelial tissue 4. D) Connective tissue

Answer: D Section: 03.04 Topic: Components of Animal Bodies Learning Objective: 03.04 Recognize the tissues and extracellular components of the animal body.

Bloom’s: 1. Remember Gradable: automatic

16) Which of the following is NOT a function of connective tissue?

1. A) Line body surfaces and cavities 2. B) Bind and support body parts 3. C) Store energy (e.g., fat) 4. D) Produce blood cells

Answer: A Section: 03.04 Topic: Components of Animal Bodies Learning Objective: 03.04 Recognize the tissues and extracellular components of the animal body.

Bloom’s: 2. Understand

Gradable: automatic

17) Which of the following statements about connective tissue is NOT true?

1. A) Connective tissues contain cells capable of differentiating into muscle and bone in animals that can regenerate these tissues.

2. B) Loose connective tissue contains fibroblasts, different kinds of fibers, and a nonliving matrix.

3. C) Blood is a connective tissue that contains a fluid matrix.

4. D) Collagen is a fat molecule with little tensile strength but great stretching ability.

Answer: D Section: 03.04 Topic: Components of Animal Bodies Learning Objective: 03.04 Recognize the tissues and extracellular components of the animal body.

Bloom’s: 4. Analyze Gradable: automatic 18) Which of the following types of tissue provides movement for and throughout the entire body?

1. A) Muscle tissue 2. B) Nervous tissue 3. C) Epithelial tissue 4. D) Neuroglia tissue

Answer: A Section: 03.04 Topic: Components of Animal Bodies Learning Objective: 03.04 Recognize the tissues and extracellular components of the animal body.

Bloom’s: 1. Remember Gradable: automatic

19) Which of the following cells has multiple nuclei?

1. A) Smooth muscle 2. B) Adipose tissue 3. C) Striated muscle 4. D) Bone

Answer: C Section: 03.04 Topic: Components of Animal Bodies Learning Objective: 03.04 Recognize the tissues and extracellular components of the animal body.

Bloom’s: 1. Remember Gradable: automatic

20) Nervous tissue is made of 1. A) only neurons.

2. B) only neuroglia.

3. C) brain cells and neurons.

4. D) neurons and neuroglia.

Answer: D Section: 03.04 Topic: Components of Animal Bodies Learning Objective: 03.04 Recognize the tissues and extracellular components of the animal body.

Bloom’s: 1. Remember Gradable: automatic 21) Which tissue receives, interprets, and produces a response to stimuli?

1. A) Muscle tissue 2. B) Nervous tissue 3. C) Epithelial tissue 4. D) Connective tissue

Answer: B Section: 03.04 Topic: Components of Animal Bodies Learning Objective: 03.04 Recognize the tissues and extracellular components of the animal body.

Bloom’s: 2. Understand Gradable: automatic

22) Animals with bilateral symmetry 1. A) can be divided into similar halves by any plane through the longitudinal axis.

2. B) are usually very slow­moving organisms.

3. C) are relatively simple in structure.

4. D) are better adapted for directed forward movement than radially symmetrical organisms.

Answer: D Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.01 Identify the body symmetry of any organism.

Bloom’s: 2. Understand Gradable: automatic

23) Which of these is NOT one of the characteristics of a vertebrate?

1. A) Radial symmetry 2. B) Segmentation 3. C) Extreme cephalization 4. D) Coelom

Answer: A

Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.01 Identify the body symmetry of any organism.

Bloom’s: 1. Remember Gradable: automatic 24) Vertebrates have 1. A) bilateral symmetry.

2. B) coelomate body plan.

3. C) tube­within­a­tube body plan.

4. D) All of the choices are correct.

Answer: D Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.01 Identify the body symmetry of any organism.; 03.03 Explain how the body plans of protostome and deuterostome animals are produced from the embryonic germ layers and body cavities.

Bloom’s: 2. Understand Gradable: automatic

25) A basketball would represent 1. A) bilateral symmetry.

2. B) radial symmetry.

3. C) spherical symmetry.

4. D) total lack of symmetry since it is not living.

Answer: C Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.01 Identify the body symmetry of any organism.

Bloom’s: 2. Understand Gradable: automatic

26) A view of an x­ray looking straight at a person’s lung and heart would represent a view of the 1. A) sagittal plane.

2. B) transverse plane.

3. C) frontal plane.

4. D) mid­sagittal plane.

Answer: C Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.01 Identify the body symmetry of any organism.

Bloom’s: 2. Understand Gradable: automatic 27) A slice through the head that shows a sideways view of the nasal and throat passages would be on a

1. A) sagittal plane.

2. B) transverse plane.

3. C) pectoral plane.

4. D) frontal plane.

Answer: A Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.01 Identify the body symmetry of any organism.

Bloom’s: 2. Understand Gradable: automatic

28) Your nose would be considered 1. A) medial, anterior, and dorsal.

2. B) medial, anterior, and ventral.

3. C) medial, posterior, and ventral.

4. D) lateral, anterior, and ventral.

Answer: B Section: 03.02 Topic: Animal Body Plans

Learning Objective: 03.01 Identify the body symmetry of any organism.; Understand general concepts related to animal architecture.

Bloom’s: 3. Apply Gradable: automatic

29) Your fingers would be considered 1. A) anterior and distal.

2. B) medial and distal.

3. C) lateral and distal.

4. D) posterior and distal.

Answer: C Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.01 Identify the body symmetry of any organism.; Understand general concepts related to animal architecture.

Bloom’s: 3. Apply Gradable: automatic 30) Animals that have one solid mass of tissue rather than tissues and organs nestled inside a body cavity are 1. A) acoelomate.

2. B) eucoelomate.

3. C) pseudocoelomate.

4. D) coelomate.

Answer: A Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.03 Explain how the body plans of protostome and deuterostome animals are produced from the embryonic germ layers and body cavities.

Bloom’s: 1. Remember Gradable: automatic

31) Animals with organs in a cavity that is not completely lined with mesoderm are 1. A) acoelomate.

2. B) eucoelomate.

3. C) pseudocoelomate.

4. D) coelomate.

Answer: C Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.03 Explain how the body plans of protostome and deuterostome animals are produced from the embryonic germ layers and body cavities.

Bloom’s: 1. Remember Gradable: automatic

32) Animals with organs in a cavity that is completely lined with mesoderm are 1. A) acoelomate.

2. B) bicoelomate.

3. C) pseudocoelomate.

4. D) coelomate.

Answer: D Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.03 Explain how the body plans of protostome and deuterostome animals are produced from the embryonic germ layers and body cavities.

Bloom’s: 1. Remember Gradable: automatic 33) Which of the following is NOT an advantage of having a true coelom?

1. A) In some animals, sperm and eggs can be stored before they are released.

2. B) The digestive system can be coiled and provide greater surface area.

3. C) Muscle contractions against the fluid chambers are absorbed and have no effect.

4. D) In some animals, fluids here can assist respiration and circulation, and accumulate metabolic wastes.

Answer: C Section: 03.02

Topic: Animal Body Plans Learning Objective: 03.03 Explain how the body plans of protostome and deuterostome animals are produced from the embryonic germ layers and body cavities.

Bloom’s: 2. Understand Gradable: automatic

34) An enterocoelous animal has 1. A) a true coelom.

2. B) apseudocoelom.

3. C) no coelom.

4. D) a false coelom.

Answer: A Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.03 Explain how the body plans of protostome and deuterostome animals are produced from the embryonic germ layers and body cavities.

Bloom’s: 1. Remember Gradable: automatic 35) Which of the following is NOT a statement about metamerism?

1. A) The insect head, which appears today to be just one segment, is thought to have evolved from many segments with the “legs” of those segments becoming the modern insects’ mouthparts.

2. B) Millipedes have two pair of legs per segment and centipedes have one pair per segment; some evolutionarily biologists suggest two segments may have become fused to form one with two pair of legs each.

3. C) Leeches appear to have many external segments but internal inspection reveals fewer segments partitioned by full body septa.

4. D) Each time a rattlesnake sheds its skin, it adds another segment to its tail rattle.

Answer: D Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.03 Explain how the body plans of protostome and deuterostome animals are produced from the embryonic germ layers and body cavities.

Bloom’s: 3. Apply Gradable: automatic

36) Which is NOT a factor in cephalization?

1. A) Improving food procurement by moving the mouth to the region of greatest sensing 2. B) Directed movement through an environment 3. C) Concentration of sensory organs at the point first likely to encounter the environment 4. D) Concentration of the sensory organs to increase sexual copulatory function

Answer: D

Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.03 Explain how the body plans of protostome and deuterostome animals are produced from the embryonic germ layers and body cavities.

Bloom’s: 2. Understand Gradable: automatic

37) Diploblastic organisms lack which germ layer(s)?

1. A) Endoderm 2. B) Ectoderm 3. C) Mesoderm 4. D) Mesoderm and endoderm

Answer: C Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.03 Explain how the body plans of protostome and deuterostome animals are produced from the embryonic germ layers and body cavities.

Bloom’s: 1. Remember Gradable: automatic

38) The grouping of single cells into definite patterns or layers represents the level of organization called the ________ ________ ________ ________.

Answer: cell­tissue level of organization Section: 03.01 Topic: The Hierarchical Organization of Animal Complexity Learning Objective: Understand general concepts related to animal architecture.

Bloom’s: 1. Remember Gradable: automatic

39) An animal that possesses an ectoderm, mesoderm and endoderm is called ________.

Answer: triploblastic Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.03 Explain how the body plans of protostome and deuterostome animals are produced from the embryonic germ layers and body cavities.

Bloom’s: 1. Remember Gradable: automatic

40) Differentiation of a head end (found mainly in bilaterally symmetrical animals) is called ________.

Answer: cephalization Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.01 Identify the body symmetry of any organism.

Bloom’s: 1. Remember

Gradable: automatic

41) Similar cells grouped together to perform a common function are called a ________.

Answer: tissue Section: 03.01 Topic: The Hierarchical Organization of Animal Complexity Learning Objective: 03.04 Recognize the tissues and extracellular components of the animal body.

Bloom’s: 1. Remember Gradable: automatic

42) The study of tissues is called ________.

Answer: histology Section: 03.04 Topic: Components of Animal Bodies Learning Objective: 03.04 Recognize the tissues and extracellular components of the animal body.

Bloom’s: 1. Remember Gradable: automatic

43) The tissue type composed of fibers and fixed and wandering cells suspended in a fluid matrix is __________ __________ __________.

Answer: loose connective tissue

Section: 03.04 Topic: Components of Animal Bodies Learning Objective: 03.04 Recognize the tissues and extracellular components of the animal body.

Bloom’s: 1. Remember Gradable: automatic

44) ________ is a fibrous protein found in connective tissue, and probably the most abundant protein in the animal kingdom.

Answer: Collagen Section: 03.04 Topic: Components of Animal Bodies Learning Objective: 03.04 Recognize the tissues and extracellular components of the animal body.

Bloom’s: 1. Remember Gradable: automatic

45) A variety of nonnervous cells that insulate neurons and serve various supportive functions is ________.

Answer: neuroglia Section: 03.04 Topic: Components of Animal Bodies Learning Objective: 03.04 Recognize the tissues and extracellular components of the animal body.

Bloom’s: 1. Remember

Gradable: automatic

46) In animal anatomy, the term that designates the back side of an animal is ________.

Answer: dorsal Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.01 Identify the body symmetry of any organism.

Bloom’s: 1. Remember Gradable: automatic

47) In animal anatomy, distal parts are farther from the middle of the body than are ________ parts.

Answer: proximal Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.01 Identify the body symmetry of any organism.

Bloom’s: 1. Remember Gradable: automatic

48) A ________ plane divides an animal into right and left halves.

Answer: sagittal Section: 03.02 Topic: Animal Body Plans

Learning Objective: 03.01 Identify the body symmetry of any organism.

Bloom’s: 1. Remember Gradable: automatic

49) The type of body cavity that represents a persistent blastocoel is the ________.

Answer:pseudocoelom Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.03 Explain how the body plans of protostome and deuterostome animals are produced from the embryonic germ layers and body cavities.

Bloom’s: 1. Remember Gradable: automatic 50) The coelomate bilateria are those animals that possess a true coelom or body cavity lined with ________ peritoneum.

Answer: mesodermal Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.03 Explain how the body plans of protostome and deuterostome animals are produced from the embryonic germ layers and body cavities.

Bloom’s: 1. Remember Gradable: automatic

51) Serial repetition of similar body segments along the longitudinal axis of the body is called ________.

Answer:metamerism Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.03 Explain how the body plans of protostome and deuterostome animals are produced from the embryonic germ layers and body cavities.

Bloom’s: 1. Remember Gradable: automatic

52) True metamerism (segmentation) is found only in annelida, arthropoda, and ________.

Answer:chordata Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.03 Explain how the body plans of protostome and deuterostome animals are produced from the embryonic germ layers and body cavities.

Bloom’s: 1. Remember Gradable: automatic

53) Because cytoplasmic specification involves the unequal distribution of morphogenetic components such as proteins and mRNAs, the loss of a single

cell during development can have a dramatic impact on the formation of the animal.

Answer: TRUE Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.02 Compare and contrast cytoplasmic, conditional, and syncytial cell specification and their roles in pattern formation.

Bloom’s: 3. Apply Gradable: automatic 54) Conditional specification involves cell fate determination by the interaction of neighboring cells. Choose all of the statements below that correctly describe conditional specification.

1. A) Conditional specification involves the ability of some cells to induce developmental responses (such as changes in cell shape or fate) in other cells and is also called induction.

2. B) Conditional specification is associated with mosaic development.

3. C) Conditional specification involves at least two cell populations, generally referred to as inducers and responders.

4. D) Conditional specification can involve direct contact between cells or the use of diffusible molecules that are released from the responding cells.

Answer: A, C. See conditional specification for more information.

Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.02 Compare and contrast cytoplasmic, conditional, and syncytial cell specification and their roles in pattern formation.

Bloom’s: 2. Understand Gradable: automatic

55) Syncytial specification is similar to cytoplasmic specification except that the molecules influencing cell fate diffuse within the cytoplasm in syncytial specification vs. between cells in cytoplasmic specification.

Answer: TRUE Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.02 Compare and contrast cytoplasmic, conditional, and syncytial cell specification and their roles in pattern formation.

Bloom’s: 2. Understand Gradable: automatic

56) Which statement below best describes Pattern Formation during embryonic development?

1. A) An intermediate step in the process of embryogenesis is the formation of three body axes.

2. B) Gradients of gene products such as bicoid and nanos, placed into the egg by nurse cells, define the anterior­posterior axis of the Drosophila embryo.

3. C) Bicoid mutants develop without a posterior end and nanos mutants develop without a head end.

4. D) Egg cytoplasm must be homogeneous in gene products to support normal Drosophila embryogenesis.

Answer: B Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.02 Compare and contrast cytoplasmic, conditional, and syncytial cell specification and their roles in pattern formation.; 03.03 Explain how the body plans of protostome and deuterostome animals are produced from the embryonic germ layers and body cavities.

Bloom’s: 2. Understand Gradable: automatic

57) Segments are delineated within a developing animal by the use of Hox genes. Their gene products are transcription factors that regulate the expression of other genes that guide the development of the segment.

Answer: TRUE Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.02 Compare and contrast cytoplasmic, conditional, and syncytial cell specification and their roles in pattern formation.

Bloom’s: 2. Understand Gradable: automatic 58) Which of the statements found below is accurate?

1. A) Scientists believe that radial and spiral cleavage patterns have evolved many times during the evolution of animals.

2. B) In radial cleavage, mitotic division produces tiers of cells, or layers, on top of one another.

3. C) Spiral cleavage is associated with regulative development.

4. D) In spiral cleavage, mitotic division produces cells that lie in furrows between slightly older cells.

Answer: B, D Section: 03.02 Topic: Animal Body Plans Learning Objective: 03.01 Identify the body symmetry of any organism.; 03.03 Explain how the body plans of protostome and deuterostome animals are produced from the embryonic germ layers and body cavities.

Bloom’s: 2. Understand Gradable: automatic

Animal Diversity, 8e (Hickman) Chapter 5 Unicellular Eukaryotes

1) Which is NOT a correct description of a unicellular eukaryote?

1. A) Usually motile 2. B) Development involves an embryonic stage 3. C) Small; best visualized with a microscope 4. D) Usually unicellular; if multicellular, without somatic differentiation 5. E) All of the choices are correct

Answer: B Section: 05.02 Topic: Unicellular Eukaryotic Taxa

Learning Objective: 05.02 Exemplify the diversity of lifestyles and habits used by unicellular eukaryotes.

Bloom’s: 1. Remember Gradable: automatic

2) The most correct usage of the term “protozoa” is as a(n) 1. A) phylum.

2. B) class.

3. C) separate kingdom.

4. D) synonym for Protista.

5. E) informal cluster of groups with complicated and uncertain phyletic relationships.

Answer: E Section: 05.03 Topic: Phylogeny Learning Objective: General–Understand concepts related to Unicellular Eukaryotes.

Bloom’s: 1. Remember Gradable: automatic 3) Compared to metazoans, what is the correct perspective on cellular organization of unicellular eukaryotes?

1. A) They are comparatively simpler with fewer structures or organelles than the metazoans.

2. B) They are more limited in their organization and function than a metazoan cell.

3. C) They are equivalent, no more complex nor simpler.

4. D) They are complex and must accomplish within a cell the functions that several specialized cells accomplish in metazoa.

5. E) None of the choices are correct.

Answer: D Section: 05.03 Topic: Phylogeny Learning Objective: General–Understand concepts related to Unicellular Eukaryotes.

Bloom’s: 2. Understand Gradable: automatic 4) Nutrition in unicellular eukaryotes is best described as 1. A) autotrophic.

2. B) heterotrophic.

3. C) saprozoic.

4. D) All of the choices are correct.

5. E) None of the choices are correct.

Answer: D Section: 05.01 Topic: Form and Function Learning Objective: 05.02 Exemplify the diversity of lifestyles and habits used by unicellular eukaryotes.

Bloom’s: 1. Remember

Gradable: automatic

5) Which of the following is/are correct descriptions of unicellular eukaryote characteristics?

1. A) As primitive organisms, they are restricted to asexual reproduction.

2. B) No germ layers are ever formed.

3. C) They are all aquatic.

4. D) When found in other organisms, they are typically parasitic or pathogenic.

5. E) They all lack symmetry.

Answer: B Section: 05.01 Topic: Form and Function Learning Objective: 05.01 Describe the three locomotory mechanisms of unicellular eukaryotes and identify the mechanism that diagnose a clade.

Bloom’s: 1. Remember Gradable: automatic 6) Which organelle is believed to have arisen from an independent aerobic prokaryote engulfed by an anaerobic prokaryote?

1. A) Nucleus 2. B) Mitochondrion 3. C) Plastid 4. D) Ribosome 5. E) Endoplasmic reticulum

Answer: B Section: 05.01 Topic: Form and Function Learning Objective: General–Understand concepts related to Unicellular Eukaryotes.

Bloom’s: 3. Apply Gradable: automatic

7) What term is used to refer to the dictyosome of a unicellular eukaryote in other eukaryotes?

1. A) Ribosome 2. B) Mitochondrion 3. C) Endoplasmic reticulum 4. D) Golgi apparatus 5. E) Plastid

Answer: D Section: 05.01 Topic: Form and Function Learning Objective: General–Understand concepts related to Unicellular Eukaryotes.

Bloom’s: 1. Remember Gradable: automatic

8) Ectoplasm 1. A) provides the vital force of life.

2. B) is cytoplasm that is outside the cell membrane.

3. C) is only found in parasitic amebas.

4. D) is only found in spores of parasites.

5. E) contrasts with endoplasm; both ectoplasm and endoplasm are cytoplasmic components.

Answer: E Section: 05.01 Topic: Form and Function Learning Objective: 05.01 Describe the three locomotory mechanisms of unicellular eukaryotes and identify the mechanism that diagnose a clade.

Bloom’s: 1. Remember Gradable: automatic 9) Which unicellular eukaryote is NOT correctly linked to the type of movement structure it possesses?

1. A) Amoeboids­pseudopodia 2. B) Ciliates­cilia 3. C) Dinoflagellates­flagella 4. D) Paramecium­flexibility of the pellicle 5. E) Apicomplexa­reticulopodia

Answer: E Section: 05.01 Topic: Form and Function Learning Objective: 05.01 Describe the three locomotory mechanisms of unicellular eukaryotes and identify the mechanism that diagnose a clade.

Bloom’s: 2. Understand Gradable: automatic

10) Which structure is NOT correctly linked to the type of movement or podial function?

1. A) Axoneme­actin­binding protein that keeps ectoplasm from gelling 2. B) Axopodia­thin rods of microtubules 3. C) Lobopodia­flow of both endoplasm and ectoplasm 4. D) Filipodia­thin extensions of only ectoplasm 5. E) Reticulopodia­a thin net­like mesh

Answer: A Section: 05.01 Topic: Form and Function Learning Objective: 05.01 Describe the three locomotory mechanisms of unicellular eukaryotes and identify the mechanism that diagnose a clade.

Bloom’s: 2. Understand Gradable: automatic

11) What are long, thin pseudopodia supported by axial rods of microtubules called?

1. A) Lobopodia B)Filopodia 1. C) Axopodia 2. D) Reticulopodia 3. E) Actinopodia

Answer: C Section: 05.01 Topic: Form and Function Learning Objective: 05.01 Describe the three locomotory mechanisms of unicellular eukaryotes and identify the mechanism that diagnose a clade.

Bloom’s: 1. Remember Gradable: automatic 12) Which of the following represents the arrangement of microtubules in axonemes of cilia?

1. A) Nine peripheral triplets of microtubules 2. B) Nine peripheral pairs of microtubules plus one central pair 3. C) Nine peripheral triplets of microtubules plus one central pair 4. D) Nine peripheral pairs of microtubules plus two central pairs 5. E) Three peripheral pairs of microtubules and no central pairs

Answer: B

Section: 05.01 Topic: Form and Function Learning Objective: 05.01 Describe the three locomotory mechanisms of unicellular eukaryotes and identify the mechanism that diagnose a clade.

Bloom’s: 1. Remember Gradable: automatic

13) What is found at the base of every flagellum or cilium?

1. A) Kinetosome 2. B) Kinetid 3. C) Axopod 4. D) Kinetoplast 5. E) Lobopod

Answer: A Section: 05.01 Topic: Form and Function Learning Objective: 05.01 Describe the three locomotory mechanisms of unicellular eukaryotes and identify the mechanism that diagnose a clade.

Bloom’s: 1. Remember Gradable: automatic 14) Which of the following is NOT a correct description of how the cytoplasm moves in pseudopodia?

1. A) Actin filaments become cross­linked by an actin­binding protein forming a semisolid gel­like state called ectoplasm.

2. B) The nucleus codes for each movement using DNA and protein formation.

3. C) Interaction with lipids in the cell membrane releases actin subunits and allows them to polymerize into actin microfilaments.

4. D) Near the edge of the gel, calcium ions activate an actin­binding protein that releases the actin filaments from the gel.

5. E) Myosin pulling on the edge of the gel causes contraction that forces endoplasm toward the hyaline cap.

Answer: B Section: 05.01 Topic: Form and Function Learning Objective: 05.01 Describe the three locomotory mechanisms of unicellular eukaryotes and identify the mechanism that diagnose a clade.

Bloom’s: 2. Understand Gradable: automatic