ANIMALS I: MAJORINVERTEBRATE GROUPS:Chapter 23 EXAM STUDY GUIDE UPDATED 2024/2025, Exams of Geography

Download ANIMALS I: MAJORINVERTEBRATE GROUPS:Chapter 23 EXAM STUDY GUIDE UPDATED 2024/2025 and more Exams Geography in PDF only on Docsity!

ANIMALS I: MAJORINVERTEBRATE

GROUPS:Chapter 23 EXAM STUDY GUIDE

UPDATED 2024/

The Best Study Notes

STUDY GUIDE UPDATED 2024/

Figure 23.1 Proposed evolutionary tree.

1. According to the accompanying evolutionary tree for major animal groups, which letter represents the animals whose first embryonic opening is the mouth? a. A b. B c. C d. D e. E ANSWER: d POINTS: 1 REFERENCES: Section 23.1 How have animal body plans evolved? KEYWORDS: Bloom's: Apply NOTES: New
2. At which branch in the accompanying figure did bilateral symmetry evolve? a. A b. B c. C d. D e. E ANSWER: c POINTS: 1 REFERENCES: Section 23.1 How have animal body plans evolved? KEYWORDS: Bloom's: Apply NOTES: New
3. At which branch in the accompanying figure did radial symmetry evolve?

STUDY GUIDE UPDATED 2024/

e. E ANSWER: b POINTS: 1 REFERENCES: Section 23.1 How have animal body plans evolved? KEYWORDS: Bloom's: Apply NOTES: New

4. At which point in the accompanying figure did animals have cells organized as tissues? a. A b. B c. C d. D e. E ANSWER: a POINTS: 1 REFERENCES: Section 23.1 How have animal body plans evolved? KEYWORDS: Bloom's: Apply NOTES: New
5. Animals with bilateral symmetry typically undergo an evolutionary process whereby many nerve cells and sensory structures become concentrated at the front of the body. What is this process called? a. segmentation b. cephalization c. coelom formation d. pupation e. radiation ANSWER: b POINTS: 1 REFERENCES: Section 23.1 How have animal body plans evolved? KEYWORDS: Bloom's: Apply NOTES: New
6. The vast majority of animals are: a. mammals b. invertebrates c. vertebrates d. birds e. predators ANSWER: b POINTS: 1 REFERENCES: Section 23.1 How have animal body plans evolved?

STUDY GUIDE UPDATED 2024/

KEYWORDS: Bloom's: Remember

7. An animal with bilateral symmetry:

STUDY GUIDE UPDATED 2024/

POINTS: 1

REFERENCES: Section 23.1 How have animal body plans evolved? KEYWORDS: Bloom's: Remember

STUDY GUIDE UPDATED 2024/

11. Which statement most accurately describes the deuterostomes? a. The first opening on the embryo surface becomes the mouth. b. Their food and wastes enter/exit through the same body opening. c. They have an incomplete digestive system. d. They all have radial symmetry. e. Their mouth develops from the second embryonic opening and the first opening becomes the anus. ANSWER: e POINTS: 1 REFERENCES: Section 23.1 How have animal body plans evolved? KEYWORDS: Bloom's: Understand
12. A major explosion of animal diversity in which all major marine lineages were formed took place during which period? a. Cambrian b. Carboniferous c. Devonian d. Permian e. Proterozoic ANSWER: a POINTS: 1 REFERENCES: Section 23.2 Animal origins and early radiations KEYWORDS: Bloom's: Remember NOTES: Modified
13. The protist that is most closely related to animals is the: a. amoeba b. choanoflagellate c. dinoflagellate d. euglenoid e. paramecium ANSWER: b POINTS: 1 REFERENCES: Section 23.2 Animal origins and early radiations KEYWORDS: Bloom's: Remember
14. Which group of tiny marine organisms have the simplest body and smallest genome of all modern animals? a. sponges b. choanoflagellates c. placozoans d. cnidarians

STUDY GUIDE UPDATED 2024/

REFERENCES: Section 23.2 Animal origins and early radiations KEYWORDS: Bloom's: Remember NOTES: New

15. The function of the collar cells of sponges function is to: a. secrete a matrix that supports the body of the sponge b. filter and engulf food c. digest food d. produce eggs and sperm e. attach the sponge to a solid surface ANSWER: b POINTS: 1 REFERENCES: Section 23.3 Sponges KEYWORDS: Bloom's: Remember
16. Which animal group does not have tissues? a. nematodes b. sponges c. echinoderms d. flatworms e. cnidarians ANSWER: b POINTS: 1 REFERENCES: Section 23.3 Sponges KEYWORDS: Bloom's: Remember
17. A typical sponge is because it produces. a. a hermaphrodite; only egg cells b. parthenogenetic; both egg and sperm cells c. a hermaphrodite; both egg and sperm cells d. parthenogenetic; only egg cells e. a hermaphrodite; only sperm cells ANSWER: c POINTS: 1 REFERENCES: Section 23.3 Sponges KEYWORDS: Bloom's: Remember
18. Unlike most other animals, sponges lack which of the following? a. a digestive tract only b. a symmetrical body plan only c. tissues only

STUDY GUIDE UPDATED 2024/

d. a digestive tract and a symmetrical body plan only e. a digestive tract, a symmetrical body plan, and tissues ANSWER: e

STUDY GUIDE UPDATED 2024/

22. Four of the five answers listed below are descriptive of annelids. Select the exception. a. closed circulatory system b. fluid-filled coelom

STUDY GUIDE UPDATED 2024/

c. jointed appendages d. segmented body e. tubular gut ANSWER: c POINTS: 1 REFERENCES: Section 23.6 What are annelids? KEYWORDS: Bloom's: Remember OTHER: Selecting the Exception

23. Four of the five answers listed below are molluscan body features. Select the exception. a. gills b. head and foot c. mantle d. conspicuous segmentation e. radula ANSWER: d POINTS: 1 REFERENCES: Section 23.7 What are mollusks? KEYWORDS: Bloom's: Understand OTHER: Selecting the Exception
24. Four of the five answers listed below are arthropods. Select the exception. a. barnacles b. bumblebees c. spiders d. octopus e. ticks ANSWER: d POINTS: 1 REFERENCES: Section 23.10 What are the main kinds of arthropods? KEYWORDS: Bloom's: Remember OTHER: Selecting the Exception NOTES: Modified
25. Four of the five answers listed below are members of a common group. Select the exception. a. sea star b. sea anemone c. sea urchin d. brittle star e. sea cucumber

STUDY GUIDE UPDATED 2024/

OTHER: Selecting the Exception

26. Four of the five answers are features of the echinoderms. Select the exception. a. spiny skin b. decentralized nervous system c. radial symmetry d. a water-vascular system e. a mantle ANSWER: e POINTS: 1 REFERENCES: Section 23.12 What are echinoderms? KEYWORDS: Bloom's: Remember NOTES: Modified
27. Nematocysts in cnidarians are: a. reproductive cells b. excretory organs c. sets of muscle cells d. circulatory cells e. defensive cells ANSWER: e POINTS: 1 REFERENCES: Section 23.4 What are cnidarians? KEYWORDS: Bloom's: Remember NOTES: Modified
28. Cnidarians have an outer layer derived from ectoderm, an inner layer from endoderm, and a. a. middle layer of mesoderm b. watery middle layer c. well-developed brain d. jellylike matrix in between e. complete gut ANSWER: d POINTS: 1 REFERENCES: Section 23.4 What are cnidarians? KEYWORDS: Bloom's: Remember NOTES: New
29. Where are nematocysts located on a cnidarian’s body? a. on lid cells b. in a cnidocyte

STUDY GUIDE UPDATED 2024/

c. on the base of polyps d. around the ectodermal outside of the body e. on mesoderm cells

STUDY GUIDE UPDATED 2024/

NOTES: check this

33. How do marine polychaetes use chitin hardened body parts?

STUDY GUIDE UPDATED 2024/

a. as an excretory organ b. the chitin hardened tentacles, to move sand c. to chew and digest prey d. the chitin-hardened jaws, to capture prey e. the chitin-reinforced bristles, for movement and chitin hardened jaws to capture prey ANSWER: e POINTS: 1 REFERENCES: Section 23.5 What are annelids? KEYWORDS: Bloom's: Understand NOTES: New

34. Which characteristics best describe earthworms? a. polychaete; fluid filled coelom b. oligochaete; open circulatory system c. moves by only longitudinal muscle contraction and hydrostatic skeleton d. oligochaete; scavengers; closed circulatory system e. hermaphrodites that fertilize themselves; closed circulatory system ANSWER: d POINTS: 1 REFERENCES: Section 23.5 What are annelids? KEYWORDS: Bloom's: Understand NOTES: New
35. A closed circulatory system is seen in: a. leeches only b. roundworms only c. flatworms only d. cnidarians only e. both earthworms and leeches ANSWER: e POINTS: 1 REFERENCES: Section 23.5 What are annelids? KEYWORDS: Bloom's: Remember NOTES: Modified
36. A scolex is: a. the anterior attachment organ of a tapeworm b. the feeding organ of a fluke c. an appendage of a sandworm d. the egg of a sea star