A condition of living within the body or cells of another organism.(noun)
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Use "endosymbiosis" in a sentence
"Co-evolution is also not mentioned in the current version of this article, nor is endosymbiosis, which is thought to explain the appearance of mitochondria, chloroplasts, and possibly other organelles."
"Then there’s endosymbiosis, which is genetically equivalent to complete fusion of two previously independent genomes."
"He rejects the widely-held notion that endosymbiosis (which led to chloroplasts and mitochondria) was the driving force in the evolution of the eukaryotic cell itself or that it was a determining factor in cellular evolution, because that approach assumes a beginning with fully evolved cells."