Question

You have a vial of Carchesium polypinum, a species of ciliates found in wastewater. You have just read that these protozoans produce a kind of mucus, which they secrete into the water. You wish to develop a laboratory model of wastewater treatment. As your model, you drop some India ink into a beaker of tap water and add a vial of ciliates. What effect might the mucus produced by the Carchesium have on the India ink? How might you apply your results to the effect of mucus on waste matter in water? You can refer to Figure

Answer 1

You could say that the india ink and the mucus could have an oil and water effect.
You could say that the mucus could repel the waste matter away from the point of origin

Answer 2

The dots on the figure r of