marine biology 21-40

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chemosynthetic

making food from energy from chemical reactrions

cmmenalism

a relationship where one organism benefits and the other is neither hurt nor benefiting

dessication

the act of being dryed out

detrivore

an organism that feeds on detritus

ectotherm

an animal that contains all of its body heat from its environment

endotherm

an animal that maintains a constant body temperature by generating heat internally

heterotroph

an organsim that relies on other organsims for food

homostasis

the internal balance that living organsims must maintain ti survive

mutualism

a relationship where both organsims benefit

niche

an organsims role in its environment

paratism

living off another organism

photic zone

the section that recieves light in the ocean and photosynthesis

plankton

organsims that float or drift in the sea's currents

salinity

the amount of salt in the water

symbiosis

an intimate arrangement between 2 different kinds of organisms

continnental drift

the movement of continental masses as a relsut of sea floor

continental shelf

the edge of a continental land mass

deep sea vent community

a community of marine organisms that depend on the specialized environment found at dwergences zone in the ocean floor

magma

molten material located deep in earths mantle

longitude

the angualr distance east and wets of the prime meridian measured in degrees

mid ocean ridge

a long mountain range that froms along cracks in the ocean floor where erupting magma breaks through the earths crust

pangaea

the singe continental land mas or supercontinent that existed about 400 mya

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