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Marine Ecosystems

Biology and geography of oceans and estuaries.

Bio- Luminescence An organism that can produce it's own light.
Chemo-synthesis When an organism can make food from heat or chemicals.
Photosynthesis When an organism can make it's own food from sunlight.
Deep Ocean 1 km or below (Hadal, Abyssal, and Midnight)
Shallow Ocean Above 1 km (Sunlight, Twilight)
Trenches An opening on the bottom of the ocean caused by a tectonic plate sliding under another tectonic plate.
Marine Snow Organic particles that fall down from higher oceanic layers and provide food for organisms.
Continental Drift Movement of tectonic plates
Ridge Underwater mountain ranges caused by continental drift and volcanic activities.
Continental Shelf Edge of continent where it goes from gradual slope to steep drop-off.
Depth How far down something is.
Salinity How much salt is in a substancce
Plankton Marine organisms that float on currents and can't swim
Nekton Marine organisms that can swim.
Estuaries When ocean meets river and salt and fresh water mix.
Hydro-thermal Vent A crack in the earth's surface that hot water shoots out of.
Ecosystem A community of organisms and the abiotic factors that affect them.
Vacuole Where plants store salt
Dry Season Where it doesn't rain for a while and estuaries are the saltiest.
Water Pressure The weight of the water on top of an object. The deeper you go the greater the pressure.
Ecologist Scientist that study ecosystems
Created by: allwea2947