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# The following graph shows growth of Paramecium caudatum and Paramecium aurelia over 16 days when cultivated alone or in mixed populations on a...

I need help with the following questions on GAUSE'S PRINCIPLE OF COMPETITIVE EXCLUSION based on the attached graphical representation.

- Explain the similarities or difference in the curves for the first 4 days; for the next 6 days; and for the remainder of the growth curve.
- For this experiment, does the growth of P. aurelia and P. caudatum together have more effect on the P. aurelia or P. caudatum, -or- is the effect equal, -or- is there no effect? Explain how the effects you noted may have occurred.
- Draw a set of curves that would provide evidence of coexistence.
- Formulate 2 hypothesis concerning how the paramecia will interact in your own experiment, i.e., what do you think will happen when you grow them together as opposed to in isolation? How can you know if your hypothesis is correct?