Examlex
Arrange the digits 3, 4, and 9 to form two numbers divisible by 6.
Endosymbiont Theory
The theory that explains the origin of organelles like mitochondria and chloroplasts in eukaryotic cells, suggesting they were once independent prokaryotic organisms.
Mutualistic Relationships
Ecological interactions where both species involved benefit and often depend on each other for survival.
Prokaryotes
Single-celled organisms without a distinct nucleus or specialized organelles, including bacteria and archaea.
Protobionts
Aggregates of abiotically produced molecules surrounded by a membrane-like structure, thought to be precursors to the first living cells.
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