terms i don't know Flashcards
(21 cards)
what is marine science?
union of marine science and oceanography
what are physical and chemical characteristics that affect life in the ocean?
salinity, ph and dissolved oxygen
what did James Cook do
explored on the Endeavor and collected different specimens
who was James Cook
British sea captain and cartographer
what happened to James Cook
killed by Hawaiian natives for stealing a boat
who was Edward Forbes
British scientist who discovered unknown organisms
what did Edward Forbes recognize
he recognized that sealife was different at different depths of the ocean
what is dredging
collecting specimens off of the seafloor
what claim did Forbes make that was later disproved?
that there was no life after a certain depth due to lack of light and high pressure
who disproved Forbes’ theory?
Charles Wyville Thompson
who was William Beebe?
scientist who descended 3000ft in a bathysphere
who is Dr Sylvia Earle
female deep sea explorer who set a new record in a Jim suit
how was sea water created?
water vapors brought chemicals into land
what was the first basic cell?
bacteria
who was Alfred Wagner?
proved existence of Pangea by drilling holes and comparing samples from different countries
where is oxygen high in the ocean?
the surface
what is osmosis?
the diffusion of water from high concentration to low concentration
who is Robert Ballad?
underwater explorer who discovered Titanic and existence of Black Smokers
what is the Mid Atlantic Ridge?
chain of underwater volcanic mountains
what is subduction
when two plates collide and one dips back under the other into the surface of the earth
