Cyanobacteria, unusual worm like life-forms and marine organisms did not exist in precambrian time. true of false?

Provide one reason why mitosis occurs.

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

Which part of cellular respiration must occur before any of the other steps can occur