Benthos - Study guides, Class notes & Summaries

How much of the earth's surface is covered by ocean - 70% How much of earth's water is ocean - 97% Does the southern hemisphere have more ocean coverage than northern? - Yes. Oceanic crust is - The younger, thinner, more dense crust than continental. The amount of loose sediment decreases as one moves away from the ridge - False Facts about mid ocean ridge - Area of sea floor formation, rocks on either side of the ridge exhibit "normal" and "reversed" magnetization. Pattern is symme...

The world's ocean contains _______ % of Earth's potentially inhabited living space. a. about 30 b. about 60 c. about 90 d. greater than 90 d. greater than 90 Oceanic life zones are commonly defined by _______. a. latitude and longitude b. ocean and hemisphere c. depth and distance from shore d. intensity of sunlight e. None of the above is correct. c. depth and distance from shore The pelagic environment refers to the _______. a. coastal area b. ocean bottom c. ...

Marine Science - ANSWER Process of discovering facts, processes, & unifying principles that explain nature of oceans & their associated life forms.; Involves physical, life & earth/space science How much of the oceans have humans seen? - ANSWER Very little of the ocean; about the size of a period on a page Who made the first recorded sea voyage? - ANSWER The Egyptians What did the Phoenicians do for marine science? - ANSWER Established first trade routes through mediterranean earliest ...

1. superposition The principle that any given rock layer is probably older than those above it and younger than those below it 2. continental crust Extends from surface of Earth down to 20-30 miles. Continental crust (granite) is less dense then ocean crust (basalt). 3. oceanic crust Extends down from the surface of the Earth to 7 miles. Crust is layered and very uniform. Com- posed of basalt. 4. mantle Contains most of Earth's mass. Composed of iron, magnesium, aluminum, and silicon-o...

27 pages covering all 12 lectures in this module. Goes over: properties of water, algae, nutrients, the microbial loop, macroinvertebrates and organic pollution in rivers, zooplankton in lakes, estuaries, global warming and vertebrates in Antarctica.

The organism that form food for fish are collectively called as fish food organism. Important fish food organism in the aquatic environment and the benthos. Among the word plankton was derived from the Greek word meaning "wanders". Plankton is defined as the heterogeneous assemblage of suspended microscopic materials.Which wander at all the mercy of winds current and tides . There are two main groups of plankton in the aquatic environment namely Phytoplankton (floating plants)and Zooplankton (...

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