1. Which of these is not a principle of the cell theory?
a. The cell is the basic unit of life.
b. All living things are made of cells.
c. All organisms are made up of many cells.
d. All cells come from other cells.

the flagellates share a facultative mutualist association with termites. mutualism is a biological interaction between individuals of different species, where both benefit from each other. this is called cooperation and it differs from other interactions such as cases of exploitation, such as parasitism, predation. in this interaction called association, both species cooperate and benefit.