Use the time it takes a single bacterium to reproduce into two bacteria to do a quick calculation. How long would it take to end up with eight bacteria if you started with one bacterium in this environment? (Show how you got that answer)

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Which type of stimulus do mechanoreceptors detect? sound pain heat light

Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos