1. Plural of endosymbiosis; instances or cases of a symbiotic relationship in which one organism lives inside the cells of another organism, typically resulting in mutual benefit or the evolution of new cellular structures.
Usage: biology; plural form; technical term

Examples

• The endosymbioses of mitochondria and chloroplasts with early eukaryotic cells fundamentally shaped the evolution of complex life.
• Scientists study various endosymbioses to understand how organelles originated billions of years ago.
• Multiple endosymbioses events are thought to have occurred during the early history of eukaryotic cells.
• The theory of endosymbioses explains why mitochondria have their own DNA.
• Researchers have identified several endosymbioses relationships in modern organisms that provide clues to evolutionary history.