What is a derived trait?
“money you earn yourself”
What is an ancestral trait?
“money you inherit”
What is primary endosymbiosis?
phagocytosis of a prokaryote to a larger cell
What happens during primary endosymbiosis?
anaerobic Archaean engulfs an aerobic alpha protobacterium -> ALL eukaryotes which have mitochondria
OR
heterotrophic eukaryote engulfs an autotrophic cyanobacterium -> photosynthetic eukaryotes which have MITOCHONDRIA & CHLOROPLASTS