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Marine phytoplankton, particularly diatoms and cyanobacteria, are responsible for producing approximately half of the oxygen on Earth through photosynthesis in the ocean. These tiny organisms play a crucial role in the Earth's oxygen cycle.
A half gram of hemoglobin can carry about 1.34 milliliters of oxygen when it is at 100 saturation.
Organisms first evolved in the kingdom Bacteria. Bacteria are single-celled organisms that lack a nucleus and other organelles. They are considered the earliest and most primitive form of life on Earth.
Plankton play a crucial role in the marine ecosystem by producing a significant amount of oxygen through photosynthesis. Additionally, plankton serve as a primary food source for many aquatic organisms, helping to sustain the food web in oceans and other bodies of water.
To sort 10 organisms using couplets, you would need at least 4 couplets. This is because each couplet can divide the organisms into two groups at a time, cutting the number of remaining organisms in half with each comparison, until all 10 organisms are sorted.
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