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They arose from a symbiotic union of two organisms.
Eukaryotes evolved from a process call endosymbiosis. Endosymbiosis states that eukaryotes started as two separate bacterium. The bigger bacteria engulfed the smaller. This is how the mitochondria is enclosed in the cell. There is evidence of this because the mitochondria has its on cell membrane and contains its own DNA.
This question isn't optimally phrased. "Why" denotes a purpose, and the mitochondria became what it is today through evolution, a process that has no internal purpose, drive, or intellectual intent. That is to say, the symbiotic relationship did not evolve through negotiations between the two organisms. Endosymbiosis occurred because the relationship between the two prokaryotes was beneficial to both. Through coevolution, the two became inseparable and existence as individuals was no longer possible.
natural selection
Succession
Eukaryotes evolved from a process call endosymbiosis. Endosymbiosis states that eukaryotes started as two separate bacterium. The bigger bacteria engulfed the smaller. This is how the mitochondria is enclosed in the cell. There is evidence of this because the mitochondria has its on cell membrane and contains its own DNA.
They arose from a symbiotic union of two organisms.
Darwin said that organisms evolve through the process of natural selection.
Eukaryotes evolved from a process call endosymbiosis. Endosymbiosis states that eukaryotes started as two separate bacterium. The bigger bacteria engulfed the smaller. This is how the mitochondria is enclosed in the cell. There is evidence of this because the mitochondria has its on cell membrane and contains its own DNA.
"What process adaptations are required if the prototype will evolve into a deliverable system or product?"
sex is my life
Natural selection
This question isn't optimally phrased. "Why" denotes a purpose, and the mitochondria became what it is today through evolution, a process that has no internal purpose, drive, or intellectual intent. That is to say, the symbiotic relationship did not evolve through negotiations between the two organisms. Endosymbiosis occurred because the relationship between the two prokaryotes was beneficial to both. Through coevolution, the two became inseparable and existence as individuals was no longer possible.
By the process of natural variation and selection by survival of the fittest.
natural selection
natural selection
natural selection