A special figure of flora can subsist in the benthic zone at the bottom of the sea . The bulk of plants can only live in water that ’s shallow enough to let in sun , which they require for photosynthesis , the process by which industrial plant produce nutrients .

Eel Grass

Some 60 coinage of seagrass live in silt or flaxen dirt in shallow water where they can get sun . Their roots are strong enough to stand firm sea currents and waves . They also have leaves , flowers and seeds . Both their roots and leaves take in water and nutrients . Seagrass can not survive without piddle . Eel grass ( Zostera marina ) , the dominant seagrass in the North Atlantic , forms meadows on soft sediment in the bottom of sheltered bay .

Turtle Grass

Turtle pasturage ( Thallassia testudinum ) is the most vulgar seagrass off the Florida seashore and throughout the Caribbean and the Gulf of Mexico . It can subsist 30 feet deep on arenaceous bottoms where it organise encompassing meadows .

Shoal Grass

Shoal grass ( Halodule wrightii ) grows in salty pee in tidal flats . It is found in the Indian sea , off the northwest slide of Africa , along the coast of South America and the west coast of Mexico .

Brown Algae Seaweed

The word " algae " is a popular term , not a scientific one . alga develop food through photosynthesis but reproduce by spores , not seed . alga have historically been considered unsubdivided plants . Many life scientist now classify them in the realm Protista and call them " photosynthetic protists . " One definition make that algae that have more than one mobile phone are plants . The head of whether or not algae are plants remains unsettled as taxonomy , the science of sorting , is constantly revising the definition of life forms based on continuing psychoanalysis of DNA . Brown algae kelp , an abundant seaweed in oceans around the existence , grow in slick , extensive ribbons that drift in shallow piss .

Red Algae Seaweed

Small red algae seaweed are vulgar in both tropic and temperate waters . Phycoerythrin , which give them their cerise color , clear it possible for them to conduct in the dull light of deeper waters .

Green Algae Seaweed

The more than 800 metal money of green algae seaweed , let in ocean loot , get their green semblance from chlorophyl . They are more common in fresh water than in the sea , where they are institute on the bottom of sandy and rocky pools along the shoreline .

References

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