Science Last Definitions Ever!!

Front 1

flat seafloor area from 4000 m to 6000 m below the ocean surface, formed by the deposition of sediments

Back 1

abyssal

Front 2

marine plants and animals that live on or in the ocean floor

Back 2

benthos

Front 3

food making process using sulfur or nitrogen compunds, rather that light energy rom the Sun, that is used by bacteria living near hydrothesmal vents

Back 3

chemosynthesis

Front 4

gradually sloping end of a continent that extends beneath the ocean

Back 4

continental shelf

Front 5

ocean basin feature that dips steeply down the continental shelf

Back 5

continental slope

Front 6

introduction of wastes to an enviorment such as sewage and chemicals that can damage organisms

Back 6

pollution

Front 7

rigid wave resistant ocean margin habitat built by corals from skeletal material and calcium

Back 7

reef

Front 8

long narow steep- sided depression in the seafloor formed where one crystal plate sinks beneath another

Back 8

trench

Front 9

area where a river meets ocean

Back 9

estuary

Front 10

area where new ocean floor is formed when lava erupts through cracks in the Earth

Back 10

mid ocean ridge

Front 11

marine organisms that actively swim in the ocean

Back 11

nekton

Front 12

food maing process using light energy from the Sun, carbon dioxide, and water

Back 12

photosynthesis

Front 13

marine organisms that drift in ocean currents

Back 13

plankton