photic
Tropical zones.
phytoplankton provide most of the oxygen to earth.
Predator
Key zones in an ocean biosystem include the surface zone where most sunlight penetrates, the twilight zone where light diminishes, and the deep zone where no sunlight reaches. Organisms in these zones include phytoplankton, zooplankton, fish, marine mammals, and deep-sea creatures like anglerfish and grenadiers.
it is 26543 ------------------------------------------------------------------------------------------------------------------ The mode of a list of numbers is the one that appears most frequently.
The plant that produces the most oxygen in the world is the phytoplankton, which are tiny marine algae found in oceans and bodies of water.
that's A
Euphotic zones that are able to support life well because they are in the uppter layer of the ocean where the sun's rays penetrate, and the phytoplankton are most common in this area that makes fish and other sea animals eat them as their food.
O Positive.
In k thru 12 schools
phytoplankton
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