A student observed paramecia, a single-celled freshwater organism. He noticed that there was a contractile vacuole and its function was to remove excess water from the paramecium. Explain which process was used to remove excess water from the paramecium by the contractile vacuole.

Which best describes carbon dioxide’s path out of the body

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?

First idea: suddenly, women were leaving their homes to cycle and socialize on country roads and city streets. —wheels of change, sue macy second idea: it was not a stretch for some cyclists to see the possibility of a larger role for women in the world. —wheels of change, sue macy what type of graphic organizer would best represent the connection between these two ideas? 1) a t-chart that separates ideas into two different categories 2) a chronology that shows 3) a sequence of several events a cause-and-effect graphic that shows how one idea led to another 4)a problem-solution graphic that presents a problem and a solution to the problem