Biologist lynn margulis proposed a theory stating that different prokaryotic organisms joined in symbiosis to eventually become eukaryotic cells. which statement supports her theory?

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

How does friction with the atmosphere affect the speed of an artificial satellite