Your Artstor image groups were copied to Workspace. The Artstor website will be retired on Aug 1st. Biological Bulletin Vol. 17, No. 4, Sep., 1909 Further Studies on the Life Cycle of Par... Further ...

what does that imply about the resulting collection of cells? For example, in Figure 1 we see a population of Paramecium over a six day period. How do population ecologists quantitatively describe ...

By manipulating the number of positive ions, 'inside and outside its membrane, 'the paramecium creates a potential difference of 40 millivolts. When it bumps into something, its cell membrane ...