1. What is the science that studies the ocean called? Icthyology Geology Oceanography Hydrology

2. The most abundant element in the universe makes up almost two-thirds of the atoms in the ocean. What is it? oxygen nitrogen methane hydrogen

3. New communities have been found near hydrothermal vents located deep on the ocean floor. How do scientists believe life exists in these areas? photosynthesis chemosynthesis pyrosynthesis aquasynthesis

4. In early marine history, what group of people made the longest voyages? The Phoenicians The Vikings The Greeks The Polynesians

5. What is the name of the scientific device used to sample water? Hansen bottle Nansen bottle Mansen bottle Jansen bottle

6. Fjord are created by tsunamis? True False

7. What is the name of the ship that embarked on the first scientific expedition of the ocean? HMS Columbia HMS Challenger HMS Beagle HMS Yorktown

8. Regarding plate tectonics, what is the Pacific Rim Plate colloquially known as? The Ring of Fire The Ring of Water The Ring of Lava The Ring of Volcanoes

9. A flat-topped, submerged volcanic mountain is called a guyot. True False

10. What is the name of the range of underwater mountains that run between the North American continent and Europe? European Ridge Mid-Atlantic Ridge North American Ridge Oceanic Ridge

11. What is the mass, horizontal flow of water in the oceans called? tidal waves floods tsunamis currents

12. The short-term changes of depth of water close to shore are called ____________? Answer: (they change with the moon cycle)

13. Dangerous, seaward currents are sometimes called rip tides. True False

14. Seaweeds are classified into three groups: Chlorophyta (green), Rhodophyta (red) and ____________________? Phaeophyta (brown) Orophyta (gold) Aquaphyta (blue) Silverphyta (silver)

15. In what two forms do Cnidaria (coral, jellyfish, anemones) occur? flat and round ribbon and bulbous tear-shaped and triangular medusa and polyps

16. The order Cephalopoda includes nautiluses, octopuses, cuttlefish and squid. True False

17. The largest ray, sometimes called a devilfish, is called a ___________. Answer: (Two Words)

18. The lamprey is from which class? Chondrichthyes Agnatha Arthropoda Osteichthyes

19. What is the part of a fish which detects low-frequency vibrations? swim bladders lateral line pectoral fins barbels

20. There is a species of crocodile that lives in the ocean. True False

21. How do seabirds excrete salt water? through their throats through their noses through special saltwater excretion glands through their excrement

22. What are the horny, bristly "teeth" of animals of the suborder Mysticeti called? osteotica odontica baleen sieves

23. Some dolphins live in fresh water. True False

24. What animals make up the order Sirenia? manatees and dugongs sharks and rays dolphins and whales lobster and crab

25. The Woods Hole Oceanographic Institution surveyed the amount of solid waste pollution off the northeast coast of the U.S. How many pieces of plastic did the survey show polluted each square mile of ocean in that area? 460,000 460 46,000 4,600