In closed circulatory systems, how are nutrients and oxygen transported from the blood to body cells? Does this transport occur in all parts of the system? Explain.

Will mark you as ! keiko’s teacher was discussing the theory of endosymbiosis. she asked keiko to mark the organelles in the diagram that most closely resembled prokaryotes. which organelles should keiko mark? * the first image is the question and the second image is some information to you answer the !

Ascientist wanted to formulate a pill to attack a specific type of bacteria that infects the throat. which biological component would be best to use as a model for the pill's function? bacteriocytes phagocytes complement antibodies

Climate like that in the sahara desert have the fastest rates of weathering