<p>NAME______Section______Date______MSC 172 – Marine Biology Lab #1 – ID Guide Assignment</p><p>Refer to pages 9-14 in the Seashore Animals of the Southeast ID guide to help you answer these questions:</p><p>1. Most chapters in this book group organisms according to their ______or ______relationship.</p><p>2. The illustrated key to seashore animal groups organisms according to their ______.</p><p>3. If a specimen resembles more than one illustration, then ______.</p><p>4. What is the size range (in cm) of sea porks?</p><p> a. 1-4 c. 0.25-4</p><p> b. 2.5-20 d. 2.5-10</p><p>5. On what page can you find organisms in the Phylum Echinodermata?</p><p> a. 7 c. 58</p><p> b. 22 d. 69</p><p> e. f. Complete the following questions using your Seashells of North Carolina ID guide. Refer to pages 2 through 10. g.</p><p>6. What is the name of the animal that lives inside of a shell? ______</p><p> a.</p><p>7. How many species of mollusks are found in this book?</p><p> a. 82 c. 179</p><p> b. 109 d. 261</p><p> e.</p><p>8. What is the name of the brownish “outer skin” found on many shells when they’re alive? ______NAME______Section______Date______a.</p><p>9. What is the name of the anchor used by bivalves? ______</p><p> a.</p><p>10. Gastropods have more structures for feeding than bivalves.</p><p> a. True</p><p> b. False</p><p> c.</p><p>11. Currently, there is only one commercially harvested bivalve in North Carolina, the Eastern Oyster (Crassostrea virginica).</p><p> a. True</p><p> b. False</p><p> c. d. e. f. g. Complete the following questions using your Field Guide to Coastal Fishes. Refer to pages 12 through 21. h.</p><p>12. When discussing color patterns in fishes, the term bars refers to ______lines, while the term stripes refers to ______lines.</p><p> a. V-shaped; diagonal c. Diagonal; broken</p><p> b. Horizontal; vertical d. Vertical; horizontal</p><p> e.</p><p>13. Ocellated spots are different from other spots or blotches in what way? (Hint: You can look up the terms ocelli and ocellated in the Glossary beginning on page 428.)</p><p> a. Ocellated spots are actually not c. Ocellated spots appear eye-like different d. Ocellated spots have jagged or pointed b. Ocellated spots are always solid white edges</p><p> e.</p><p>14. A tiger shark exhibits: NAME______Section______Date______a. Faint stripes c. Ocellated spots</p><p> b. A mottled pattern d. Faint bars</p><p> e.</p><p>15. The barndoor skate exhibits:</p><p> a. Banded dorsal fin c. Scattered dark spots & blotches</p><p> b. Broad bands d. A reticulating pattern</p><p> e.</p><p>16. Which of the following animals is NOT considered a cartilaginous fish?</p><p> a. Tiger shark c. Atlantic guitarfish</p><p> b. Barndoor skate d. Striped searobin</p><p> e.</p><p>17. The dorsal fins are located on the _____ of the fish.</p><p> a. Top side c. Left & right sides</p><p> b. Bottom side d. Tail end</p><p> e.</p><p>18. To determine the total length of a fish, you should measure from the ____ to the ____.</p><p> a. Back edge of the eye; tip of the caudal fin</p><p> b. Tip of the snout or lower jaw; tip of caudal fin</p><p> c. Front edge of eye; fork of caudal fin</p><p> d. Tip of the snout or lower jaw; base of dorsal fin</p><p> e.</p><p>19. The striped searobin exhibits:</p><p> a. A dark blotch on first dorsal fin</p><p> b. A banded caudal fin</p><p> c. Large dark Ocellated spot on pectoral fin</p><p> d. Both a and b</p><p> e. NAME______Section______Date______20. How many dorsal fins does the gafftopsail catfish have?</p><p> a. 1 c. 3</p><p> b. 2 d. 4</p><p> e.</p><p>21. How many dorsal fins does the bar jack have?</p><p> a. 1 c. 3</p><p> b. 2 d. 4</p><p> e.</p><p>22. The cross-sectional shape of a fish is the shape of the body as it appears:</p><p> a. From the side</p><p> b. From head-on</p><p> c. Both a and b</p><p> d. None of the above</p><p> e.</p><p>23. The term laterally compressed means:</p><p> a. To be flattened from top to bottom c. To be perfectly round</p><p> b. To be flattened from side to side d. To be slightly oblong or oval</p><p> e.</p><p>24. The term anterior refers to:</p><p> a. The front of the body c. The top of the body</p><p> b. The back/tail of the body d. The bottom of the body</p><p> e.</p><p>25. The term posterior refers to:</p><p> a. The front of the body c. The top of the body</p><p> b. The back/tail of the body d. The bottom of the body</p><p> e.</p><p>26. When counting spines and rays, the norm is to count ______to______. NAME______Section______Date______a.</p>