photic, aphotic, benthic
shore to shore, oceanic, neritic, intertidal
deep ocean, 90% of world's oceans
produce 80% of world's oxygen
feed on plankton, no teeth, baleen filters
scavengers that feed on dead organisms that float down in oceanic zone (clams, worms, sponges)
denser than water near equator
saltier than water near poles
between continental shelf and deep ocean
underwater cliff that runs along coast
natural structures on continental shelf (kelp beds and coral reefs) protect the shoreline
in tropical waters
type of algae that lives in coral and gives it food
where fresh water meets salt water, good for commercial fishing
flat muddy wetlands in bays, lagoons, & estuaries.
land covered by high tide and exposed by low tide (mangrove, salt marshes)
warm areas, trees and shrubs on stilts
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