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Marine Science
Oceanography
| Question | Answer |
|---|---|
| When is the vernal equinox? | March 21st |
| What is halocline? | salinity curve |
| What part of a mollusc makes the shell? | mantle |
| Who named the Pacific Ocean? | Magellan |
| What are organisms that live on the air-water interface called? | neustons |
| What is the youngest ocean? | Atlantic |
| Which direction do marine mammals migrate to give birth? | towards equator |
| What phylum does an abalone belong to? | Mollusca |
| What is the index of propulsive efficiency obtained by (fish height)^(1/2)/(fin area)? | aspect ratio |
| What is the pycnocline? | density curve |
| 3 types of coral reefs, youngest to oldest? | fringing, barrier, atoll |
| average ocean depth? | 3800 meters |
| An underwater avalanche occurs in a submarine canyon leading to increase in the continental rise; what is this called? | turbidity current |
| What type of current goes parallel to beach and causes lots of erosion? | Longshore current |
| How long between high tides on east coast of USA? | 12 hours 25 minutes (semidiurnal) |
| period of time for two crests to pass a specific point? | period |
| Freezing point of sea water? | -2 °C |
| Freezing point of fresh water? | 0 °C |
| Densest point of sea water? | 2 °C |
| Densest point of fresh water? | 4 °C |
| Dominant buffer of the sea? | bicarbonate (HCO3 -1) |
| Where is the benthos environment? | Sea floor |
| Percent of ocean water in Atlantic Ocean and Pacific? | 25% and 52% |
| Where are the horse latitudes and doldrums? | 30 N and S, and 0 |
| Where is the tropic of cancer? | 23.5 N |
| Where is the tropic of capricorn? | 23.5 S |
| Salt concentration of brackish water? | 17 ppt |
| Depth of oxygen-minimum zone? | 500 meters |
| Width of continental shelf in USA? | 200 miles |
| Distance of territorial border from coast? | 12 nautical miles |
| Distance of EEZ from shore? | 200 nautical miles |
| EEZ is...? | exclusive economic zone |
| what is littoral zone? | area between tide marks (intertidal zone) |
| what is benthic zone? | ocean floor |
| what is pelagic zone? | open ocean |
| what is hadal zone? | deepest water |
| Red algae is called... | rhodophyta |
| Brown algae is called... | phaeophyta |
| Green algae is called... | chlorophyta |
| Gold algae is called... | chrysophyta |
| Aristotle's lantern is found in...? | sea urchins |
| Nematocysts are in...? | cnidarians |
| Pentaradial symmetry and tube feet are in...? | echinoderms |
| At what depth is the halocline? | ~1000 meters |
| Where on Earth is the densest water? | North Atlantic |
| where is largest tidal current? | Bay of Fundy, Canada |
| Which is larger, spring tide or neap tide? | spring tide |
| Tidal currents going away from the land are called...? | ebb currents = out |
| Something in water looks (farther, closer) than it is because of the index of refraction. | farther |
| Lithosphere floats on...? | asthenosphere |
| how deep is crust on flat land, in mountains, and in ocean? | 35, 80, and 5 kilometers |
| area with no light during an eclipse is the...? | umbra |
| When the moon is between the sun and the earth, this occurs. | solar eclipse |
| Divergent plates typically spread at a rate of... | 2-10 cm per year |
| What type of sediment leads to oozes? | biogenous |
| This ooze is found in deep ocean. | silaceous |
| What organism is in a symbiotic relationship with coral? | zooxanthellae (dinoflagellate protist) |
| What is the optimal temperature for reef-building corals? | 24 °C |
| Deposits from turbidity currents are called...? | turbidites |
| What are deep, steep-sided valleys cut into the continental shelf called? | submarine canyons |
Created by:
briguy864
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