SDSU OCEANS 100 EXAM 3 Latest Update -

SDSU OCEANS 100 EXAM 3 Latest Update -

Questions and Verified Correct Answers Golden Ticket to Guaranteed A+ Verified by Professor

% of species in ocean - CORRECT ANSWER: 14% b/c oceans are more stable;

continental environments require constant adaptation from organisms

2 marine environments - CORRECT ANSWER: 1) pelagic realm 2) benthic realm

3 domains - CORRECT ANSWER: 1) bacteria 2) archaea 3) eukaryote

4 types of pollution - CORRECT ANSWER: petroleum, sewage, heavy metals, solid

waste/trash

• kingdoms - CORRECT ANSWER: 1) bacteria 2) archaea 3) protista 4) fungi 5) plantae

6) animalia

Atlantic Coast - CORRECT ANSWER: depositional; passive margin; no plate boundary; shoreline rises and ocean migrates inland

beach - CORRECT ANSWER: shore and nearshore; very active

benthic realm - CORRECT ANSWER: seafloor bottom dwellers or benthos; less

nutrients at the bottom, but MOST diversity

benthos - CORRECT ANSWER: bottom dwellers; live on seafloor such hydrothermal

vents and coasts (sponge, crabs, coral, sea star)

berm - CORRECT ANSWER: dry area at foot of coastal cliff; sand 1 / 2

bio-degradation - CORRECT ANSWER: nature breaks apart and converts to natural

components

Cambrian Explosion - CORRECT ANSWER: an explosion of diversity led to period of 5- 10 million years of complex, multi-celled organisms

cause of sea level change (climate change) - CORRECT ANSWER: global warming =

sea levels rise ice age = sea levels drop

cause of sea level change (plate tectonics) - CORRECT ANSWER: fast-spreading: sea levels rise; ocean basin cannot hold

slow-spreading: sea levels drop

causes of sea level change - CORRECT ANSWER: 1) climate change 2) plate tectonics

Charles Moore - CORRECT ANSWER: discovered the North Pacific Garage Patch

(garbage build-up in North Pacific Gyre)

classification of marine organisms - CORRECT ANSWER: 1) plankton 2) nekton 3)

benthos

coast - CORRECT ANSWER: land extending inland as far as marine is seen; land

adjacent to the beach affected by the ocean

depositional coast - CORRECT ANSWER: flat coast b/c of passive margin; sediment

comes from rivers; SUBMERGENT COAST; ex- deltas, barrier islands

effects of WAVE ENERGY - CORRECT ANSWER: excavates notches into rocks --->

unstable cliff---> rivers and cliff erosion ---> source of sand to the beach

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